Home / 19,350.29-26,708.92-11,397.10

Finding the Fourth Proportional to 19,350.29, 26,708.92 and 11,397.10

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Solution

The fourth proportional to 19,350.29, 26,708.92 and 11,397.10 is: 15,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.29 : 26,708.92 = 11,397.10 : x
  2. Step 2: Convert to fraction form
    19,350.29/26,708.92 = 11,397.10/x
  3. Step 3: Cross multiply
    19,350.29x = 26,708.92 × 11,397.10
  4. Step 4: Simplify right side
    19,350.29x = 304,404,232.13
  5. Step 5: Solve for x
    x = 304,404,232.13/19,350.29
  6. Step 6: Final answer
    x = 15,731.25

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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.