Home / 16,662.50-24,898.23-12,691.70

Finding the Fourth Proportional to 16,662.50, 24,898.23 and 12,691.70

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Solution

The fourth proportional to 16,662.50, 24,898.23 and 12,691.70 is: 18,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.50 : 24,898.23 = 12,691.70 : x
  2. Step 2: Convert to fraction form
    16,662.50/24,898.23 = 12,691.70/x
  3. Step 3: Cross multiply
    16,662.50x = 24,898.23 × 12,691.70
  4. Step 4: Simplify right side
    16,662.50x = 316,000,865.69
  5. Step 5: Solve for x
    x = 316,000,865.69/16,662.50
  6. Step 6: Final answer
    x = 18,964.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.