Home / 16,231.70-24,347.55-12,951.20

Finding the Fourth Proportional to 16,231.70, 24,347.55 and 12,951.20

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Solution

The fourth proportional to 16,231.70, 24,347.55 and 12,951.20 is: 19,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.70 : 24,347.55 = 12,951.20 : x
  2. Step 2: Convert to fraction form
    16,231.70/24,347.55 = 12,951.20/x
  3. Step 3: Cross multiply
    16,231.70x = 24,347.55 × 12,951.20
  4. Step 4: Simplify right side
    16,231.70x = 315,329,989.56
  5. Step 5: Solve for x
    x = 315,329,989.56/16,231.70
  6. Step 6: Final answer
    x = 19,426.80

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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.