Home / 13,151.90-19,737.29-8,924.61

Finding the Fourth Proportional to 13,151.90, 19,737.29 and 8,924.61

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Solution

The fourth proportional to 13,151.90, 19,737.29 and 8,924.61 is: 13,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.90 : 19,737.29 = 8,924.61 : x
  2. Step 2: Convert to fraction form
    13,151.90/19,737.29 = 8,924.61/x
  3. Step 3: Cross multiply
    13,151.90x = 19,737.29 × 8,924.61
  4. Step 4: Simplify right side
    13,151.90x = 176,147,712.03
  5. Step 5: Solve for x
    x = 176,147,712.03/13,151.90
  6. Step 6: Final answer
    x = 13,393.33

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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.