Home / 17,387.30-26,073.20-5,538.89

Finding the Fourth Proportional to 17,387.30, 26,073.20 and 5,538.89

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Solution

The fourth proportional to 17,387.30, 26,073.20 and 5,538.89 is: 8,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.30 : 26,073.20 = 5,538.89 : x
  2. Step 2: Convert to fraction form
    17,387.30/26,073.20 = 5,538.89/x
  3. Step 3: Cross multiply
    17,387.30x = 26,073.20 × 5,538.89
  4. Step 4: Simplify right side
    17,387.30x = 144,416,470.23
  5. Step 5: Solve for x
    x = 144,416,470.23/17,387.30
  6. Step 6: Final answer
    x = 8,305.86

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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.