Home / 9,487.13-14,220.97-3,943.69

Finding the Fourth Proportional to 9,487.13, 14,220.97 and 3,943.69

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Solution

The fourth proportional to 9,487.13, 14,220.97 and 3,943.69 is: 5,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.13 : 14,220.97 = 3,943.69 : x
  2. Step 2: Convert to fraction form
    9,487.13/14,220.97 = 3,943.69/x
  3. Step 3: Cross multiply
    9,487.13x = 14,220.97 × 3,943.69
  4. Step 4: Simplify right side
    9,487.13x = 56,083,051.77
  5. Step 5: Solve for x
    x = 56,083,051.77/9,487.13
  6. Step 6: Final answer
    x = 5,911.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.