Home / 10,305.52-15,445.98-4,753.28

Finding the Fourth Proportional to 10,305.52, 15,445.98 and 4,753.28

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Solution

The fourth proportional to 10,305.52, 15,445.98 and 4,753.28 is: 7,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.52 : 15,445.98 = 4,753.28 : x
  2. Step 2: Convert to fraction form
    10,305.52/15,445.98 = 4,753.28/x
  3. Step 3: Cross multiply
    10,305.52x = 15,445.98 × 4,753.28
  4. Step 4: Simplify right side
    10,305.52x = 73,419,067.81
  5. Step 5: Solve for x
    x = 73,419,067.81/10,305.52
  6. Step 6: Final answer
    x = 7,124.25

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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.