Home / 17,939.61-26,909.15-5,459.13

Finding the Fourth Proportional to 17,939.61, 26,909.15 and 5,459.13

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Solution

The fourth proportional to 17,939.61, 26,909.15 and 5,459.13 is: 8,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.61 : 26,909.15 = 5,459.13 : x
  2. Step 2: Convert to fraction form
    17,939.61/26,909.15 = 5,459.13/x
  3. Step 3: Cross multiply
    17,939.61x = 26,909.15 × 5,459.13
  4. Step 4: Simplify right side
    17,939.61x = 146,900,520.74
  5. Step 5: Solve for x
    x = 146,900,520.74/17,939.61
  6. Step 6: Final answer
    x = 8,188.61

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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.