Home / 13,202.66-18,219.40-7,234.18

Finding the Fourth Proportional to 13,202.66, 18,219.40 and 7,234.18

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Solution

The fourth proportional to 13,202.66, 18,219.40 and 7,234.18 is: 9,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.66 : 18,219.40 = 7,234.18 : x
  2. Step 2: Convert to fraction form
    13,202.66/18,219.40 = 7,234.18/x
  3. Step 3: Cross multiply
    13,202.66x = 18,219.40 × 7,234.18
  4. Step 4: Simplify right side
    13,202.66x = 131,802,355.46
  5. Step 5: Solve for x
    x = 131,802,355.46/13,202.66
  6. Step 6: Final answer
    x = 9,983.01

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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.