Home / 10,261.20-15,385.38-4,335.02

Finding the Fourth Proportional to 10,261.20, 15,385.38 and 4,335.02

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Solution

The fourth proportional to 10,261.20, 15,385.38 and 4,335.02 is: 6,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.20 : 15,385.38 = 4,335.02 : x
  2. Step 2: Convert to fraction form
    10,261.20/15,385.38 = 4,335.02/x
  3. Step 3: Cross multiply
    10,261.20x = 15,385.38 × 4,335.02
  4. Step 4: Simplify right side
    10,261.20x = 66,695,930.01
  5. Step 5: Solve for x
    x = 66,695,930.01/10,261.20
  6. Step 6: Final answer
    x = 6,499.82

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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.