Home / 12,150.47-18,226.15-4,251.42

Finding the Fourth Proportional to 12,150.47, 18,226.15 and 4,251.42

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Solution

The fourth proportional to 12,150.47, 18,226.15 and 4,251.42 is: 6,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.47 : 18,226.15 = 4,251.42 : x
  2. Step 2: Convert to fraction form
    12,150.47/18,226.15 = 4,251.42/x
  3. Step 3: Cross multiply
    12,150.47x = 18,226.15 × 4,251.42
  4. Step 4: Simplify right side
    12,150.47x = 77,487,008.00
  5. Step 5: Solve for x
    x = 77,487,008.00/12,150.47
  6. Step 6: Final answer
    x = 6,377.28

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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.