Home / 15,900.77-23,855.18-11,229.90

Finding the Fourth Proportional to 15,900.77, 23,855.18 and 11,229.90

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Solution

The fourth proportional to 15,900.77, 23,855.18 and 11,229.90 is: 16,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.77 : 23,855.18 = 11,229.90 : x
  2. Step 2: Convert to fraction form
    15,900.77/23,855.18 = 11,229.90/x
  3. Step 3: Cross multiply
    15,900.77x = 23,855.18 × 11,229.90
  4. Step 4: Simplify right side
    15,900.77x = 267,891,229.73
  5. Step 5: Solve for x
    x = 267,891,229.73/15,900.77
  6. Step 6: Final answer
    x = 16,847.69

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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.