Home / 20,598.76-28,439.94-12,217.96

Finding the Fourth Proportional to 20,598.76, 28,439.94 and 12,217.96

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Solution

The fourth proportional to 20,598.76, 28,439.94 and 12,217.96 is: 16,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.76 : 28,439.94 = 12,217.96 : x
  2. Step 2: Convert to fraction form
    20,598.76/28,439.94 = 12,217.96/x
  3. Step 3: Cross multiply
    20,598.76x = 28,439.94 × 12,217.96
  4. Step 4: Simplify right side
    20,598.76x = 347,478,049.32
  5. Step 5: Solve for x
    x = 347,478,049.32/20,598.76
  6. Step 6: Final answer
    x = 16,868.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.