Home / 10,086.52-15,121.80-3,845.32

Finding the Fourth Proportional to 10,086.52, 15,121.80 and 3,845.32

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Solution

The fourth proportional to 10,086.52, 15,121.80 and 3,845.32 is: 5,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.52 : 15,121.80 = 3,845.32 : x
  2. Step 2: Convert to fraction form
    10,086.52/15,121.80 = 3,845.32/x
  3. Step 3: Cross multiply
    10,086.52x = 15,121.80 × 3,845.32
  4. Step 4: Simplify right side
    10,086.52x = 58,148,159.98
  5. Step 5: Solve for x
    x = 58,148,159.98/10,086.52
  6. Step 6: Final answer
    x = 5,764.94

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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.