Home / 10,442.28-15,653.82-4,515.46

Finding the Fourth Proportional to 10,442.28, 15,653.82 and 4,515.46

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Solution

The fourth proportional to 10,442.28, 15,653.82 and 4,515.46 is: 6,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.28 : 15,653.82 = 4,515.46 : x
  2. Step 2: Convert to fraction form
    10,442.28/15,653.82 = 4,515.46/x
  3. Step 3: Cross multiply
    10,442.28x = 15,653.82 × 4,515.46
  4. Step 4: Simplify right side
    10,442.28x = 70,684,198.06
  5. Step 5: Solve for x
    x = 70,684,198.06/10,442.28
  6. Step 6: Final answer
    x = 6,769.04

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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.