Home / 12,251.57-18,377.96-3,487.10

Finding the Fourth Proportional to 12,251.57, 18,377.96 and 3,487.10

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Solution

The fourth proportional to 12,251.57, 18,377.96 and 3,487.10 is: 5,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.57 : 18,377.96 = 3,487.10 : x
  2. Step 2: Convert to fraction form
    12,251.57/18,377.96 = 3,487.10/x
  3. Step 3: Cross multiply
    12,251.57x = 18,377.96 × 3,487.10
  4. Step 4: Simplify right side
    12,251.57x = 64,085,674.99
  5. Step 5: Solve for x
    x = 64,085,674.99/12,251.57
  6. Step 6: Final answer
    x = 5,230.82

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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.