Home / 12,248.16-18,372.24-3,929.04

Finding the Fourth Proportional to 12,248.16, 18,372.24 and 3,929.04

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Solution

The fourth proportional to 12,248.16, 18,372.24 and 3,929.04 is: 5,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.16 : 18,372.24 = 3,929.04 : x
  2. Step 2: Convert to fraction form
    12,248.16/18,372.24 = 3,929.04/x
  3. Step 3: Cross multiply
    12,248.16x = 18,372.24 × 3,929.04
  4. Step 4: Simplify right side
    12,248.16x = 72,185,265.85
  5. Step 5: Solve for x
    x = 72,185,265.85/12,248.16
  6. Step 6: Final answer
    x = 5,893.56

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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.