Home / 15,253.44-21,042.56-9,946.24

Finding the Fourth Proportional to 15,253.44, 21,042.56 and 9,946.24

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Solution

The fourth proportional to 15,253.44, 21,042.56 and 9,946.24 is: 13,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.44 : 21,042.56 = 9,946.24 : x
  2. Step 2: Convert to fraction form
    15,253.44/21,042.56 = 9,946.24/x
  3. Step 3: Cross multiply
    15,253.44x = 21,042.56 × 9,946.24
  4. Step 4: Simplify right side
    15,253.44x = 209,294,351.97
  5. Step 5: Solve for x
    x = 209,294,351.97/15,253.44
  6. Step 6: Final answer
    x = 13,721.12

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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.