Home / 17,939.46-26,910.20-5,459.90

Finding the Fourth Proportional to 17,939.46, 26,910.20 and 5,459.90

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Solution

The fourth proportional to 17,939.46, 26,910.20 and 5,459.90 is: 8,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.46 : 26,910.20 = 5,459.90 : x
  2. Step 2: Convert to fraction form
    17,939.46/26,910.20 = 5,459.90/x
  3. Step 3: Cross multiply
    17,939.46x = 26,910.20 × 5,459.90
  4. Step 4: Simplify right side
    17,939.46x = 146,926,839.13
  5. Step 5: Solve for x
    x = 146,926,839.13/17,939.46
  6. Step 6: Final answer
    x = 8,190.15

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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.