Home / 10,727.91-16,062.12-8,087.40

Finding the Fourth Proportional to 10,727.91, 16,062.12 and 8,087.40

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Solution

The fourth proportional to 10,727.91, 16,062.12 and 8,087.40 is: 12,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.91 : 16,062.12 = 8,087.40 : x
  2. Step 2: Convert to fraction form
    10,727.91/16,062.12 = 8,087.40/x
  3. Step 3: Cross multiply
    10,727.91x = 16,062.12 × 8,087.40
  4. Step 4: Simplify right side
    10,727.91x = 129,900,789.29
  5. Step 5: Solve for x
    x = 129,900,789.29/10,727.91
  6. Step 6: Final answer
    x = 12,108.68

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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.