Home / 14,046.88-19,385.29-8,078.56

Finding the Fourth Proportional to 14,046.88, 19,385.29 and 8,078.56

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Solution

The fourth proportional to 14,046.88, 19,385.29 and 8,078.56 is: 11,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.88 : 19,385.29 = 8,078.56 : x
  2. Step 2: Convert to fraction form
    14,046.88/19,385.29 = 8,078.56/x
  3. Step 3: Cross multiply
    14,046.88x = 19,385.29 × 8,078.56
  4. Step 4: Simplify right side
    14,046.88x = 156,605,145.59
  5. Step 5: Solve for x
    x = 156,605,145.59/14,046.88
  6. Step 6: Final answer
    x = 11,148.75

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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.