Home / 13,151.52-19,730.56-3,917.44

Finding the Fourth Proportional to 13,151.52, 19,730.56 and 3,917.44

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Solution

The fourth proportional to 13,151.52, 19,730.56 and 3,917.44 is: 5,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.52 : 19,730.56 = 3,917.44 : x
  2. Step 2: Convert to fraction form
    13,151.52/19,730.56 = 3,917.44/x
  3. Step 3: Cross multiply
    13,151.52x = 19,730.56 × 3,917.44
  4. Step 4: Simplify right side
    13,151.52x = 77,293,284.97
  5. Step 5: Solve for x
    x = 77,293,284.97/13,151.52
  6. Step 6: Final answer
    x = 5,877.14

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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.