Home / 10,723.92-16,089.12-8,866.62

Finding the Fourth Proportional to 10,723.92, 16,089.12 and 8,866.62

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Solution

The fourth proportional to 10,723.92, 16,089.12 and 8,866.62 is: 13,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.92 : 16,089.12 = 8,866.62 : x
  2. Step 2: Convert to fraction form
    10,723.92/16,089.12 = 8,866.62/x
  3. Step 3: Cross multiply
    10,723.92x = 16,089.12 × 8,866.62
  4. Step 4: Simplify right side
    10,723.92x = 142,656,113.17
  5. Step 5: Solve for x
    x = 142,656,113.17/10,723.92
  6. Step 6: Final answer
    x = 13,302.61

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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.