Home / 16,727.70-25,079.40-6,861.90

Finding the Fourth Proportional to 16,727.70, 25,079.40 and 6,861.90

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Solution

The fourth proportional to 16,727.70, 25,079.40 and 6,861.90 is: 10,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.70 : 25,079.40 = 6,861.90 : x
  2. Step 2: Convert to fraction form
    16,727.70/25,079.40 = 6,861.90/x
  3. Step 3: Cross multiply
    16,727.70x = 25,079.40 × 6,861.90
  4. Step 4: Simplify right side
    16,727.70x = 172,092,334.86
  5. Step 5: Solve for x
    x = 172,092,334.86/16,727.70
  6. Step 6: Final answer
    x = 10,287.87

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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.