Home / 17,686.17-26,516.30-15,107.13

Finding the Fourth Proportional to 17,686.17, 26,516.30 and 15,107.13

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Solution

The fourth proportional to 17,686.17, 26,516.30 and 15,107.13 is: 22,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.17 : 26,516.30 = 15,107.13 : x
  2. Step 2: Convert to fraction form
    17,686.17/26,516.30 = 15,107.13/x
  3. Step 3: Cross multiply
    17,686.17x = 26,516.30 × 15,107.13
  4. Step 4: Simplify right side
    17,686.17x = 400,585,115.68
  5. Step 5: Solve for x
    x = 400,585,115.68/17,686.17
  6. Step 6: Final answer
    x = 22,649.62

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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.