Home / 13,202.97-18,220.16-7,234.69

Finding the Fourth Proportional to 13,202.97, 18,220.16 and 7,234.69

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Solution

The fourth proportional to 13,202.97, 18,220.16 and 7,234.69 is: 9,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.97 : 18,220.16 = 7,234.69 : x
  2. Step 2: Convert to fraction form
    13,202.97/18,220.16 = 7,234.69/x
  3. Step 3: Cross multiply
    13,202.97x = 18,220.16 × 7,234.69
  4. Step 4: Simplify right side
    13,202.97x = 131,817,209.35
  5. Step 5: Solve for x
    x = 131,817,209.35/13,202.97
  6. Step 6: Final answer
    x = 9,983.91

Related Problems

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Half scale
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Double scale
Find fourth proportional to 13,203.97, 18,221.54 and 7,235.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.