Home / 17,345.27-23,946.79-11,387.39

Finding the Fourth Proportional to 17,345.27, 23,946.79 and 11,387.39

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Solution

The fourth proportional to 17,345.27, 23,946.79 and 11,387.39 is: 15,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.27 : 23,946.79 = 11,387.39 : x
  2. Step 2: Convert to fraction form
    17,345.27/23,946.79 = 11,387.39/x
  3. Step 3: Cross multiply
    17,345.27x = 23,946.79 × 11,387.39
  4. Step 4: Simplify right side
    17,345.27x = 272,691,310.13
  5. Step 5: Solve for x
    x = 272,691,310.13/17,345.27
  6. Step 6: Final answer
    x = 15,721.36

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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.