Home / 12,474.16-18,705.90-4,151.92

Finding the Fourth Proportional to 12,474.16, 18,705.90 and 4,151.92

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Solution

The fourth proportional to 12,474.16, 18,705.90 and 4,151.92 is: 6,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.16 : 18,705.90 = 4,151.92 : x
  2. Step 2: Convert to fraction form
    12,474.16/18,705.90 = 4,151.92/x
  3. Step 3: Cross multiply
    12,474.16x = 18,705.90 × 4,151.92
  4. Step 4: Simplify right side
    12,474.16x = 77,665,400.33
  5. Step 5: Solve for x
    x = 77,665,400.33/12,474.16
  6. Step 6: Final answer
    x = 6,226.10

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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.