Home / 10,325.75-15,489.56-3,305.95

Finding the Fourth Proportional to 10,325.75, 15,489.56 and 3,305.95

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Solution

The fourth proportional to 10,325.75, 15,489.56 and 3,305.95 is: 4,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.75 : 15,489.56 = 3,305.95 : x
  2. Step 2: Convert to fraction form
    10,325.75/15,489.56 = 3,305.95/x
  3. Step 3: Cross multiply
    10,325.75x = 15,489.56 × 3,305.95
  4. Step 4: Simplify right side
    10,325.75x = 51,207,680.42
  5. Step 5: Solve for x
    x = 51,207,680.42/10,325.75
  6. Step 6: Final answer
    x = 4,959.22

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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.