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Finding the Fourth Proportional to 17,497.20, 24,146.10 and 9,943.20

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Solution

The fourth proportional to 17,497.20, 24,146.10 and 9,943.20 is: 13,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,497.20 : 24,146.10 = 9,943.20 : x
  2. Step 2: Convert to fraction form
    17,497.20/24,146.10 = 9,943.20/x
  3. Step 3: Cross multiply
    17,497.20x = 24,146.10 × 9,943.20
  4. Step 4: Simplify right side
    17,497.20x = 240,089,501.52
  5. Step 5: Solve for x
    x = 240,089,501.52/17,497.20
  6. Step 6: Final answer
    x = 13,721.60

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.