Home / 14,046.24-19,385.28-8,078.88

Finding the Fourth Proportional to 14,046.24, 19,385.28 and 8,078.88

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Solution

The fourth proportional to 14,046.24, 19,385.28 and 8,078.88 is: 11,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.24 : 19,385.28 = 8,078.88 : x
  2. Step 2: Convert to fraction form
    14,046.24/19,385.28 = 8,078.88/x
  3. Step 3: Cross multiply
    14,046.24x = 19,385.28 × 8,078.88
  4. Step 4: Simplify right side
    14,046.24x = 156,611,350.89
  5. Step 5: Solve for x
    x = 156,611,350.89/14,046.24
  6. Step 6: Final answer
    x = 11,149.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.