Home / 13,917.48-20,876.04-3,387.52

Finding the Fourth Proportional to 13,917.48, 20,876.04 and 3,387.52

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Solution

The fourth proportional to 13,917.48, 20,876.04 and 3,387.52 is: 5,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.48 : 20,876.04 = 3,387.52 : x
  2. Step 2: Convert to fraction form
    13,917.48/20,876.04 = 3,387.52/x
  3. Step 3: Cross multiply
    13,917.48x = 20,876.04 × 3,387.52
  4. Step 4: Simplify right side
    13,917.48x = 70,717,950.83
  5. Step 5: Solve for x
    x = 70,717,950.83/13,917.48
  6. Step 6: Final answer
    x = 5,081.23

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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.