Home / 17,708.38-26,549.55-10,690.90

Finding the Fourth Proportional to 17,708.38, 26,549.55 and 10,690.90

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Solution

The fourth proportional to 17,708.38, 26,549.55 and 10,690.90 is: 16,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.38 : 26,549.55 = 10,690.90 : x
  2. Step 2: Convert to fraction form
    17,708.38/26,549.55 = 10,690.90/x
  3. Step 3: Cross multiply
    17,708.38x = 26,549.55 × 10,690.90
  4. Step 4: Simplify right side
    17,708.38x = 283,838,584.10
  5. Step 5: Solve for x
    x = 283,838,584.10/17,708.38
  6. Step 6: Final answer
    x = 16,028.49

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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.