Home / 10,318.62-15,472.71-4,394.55

Finding the Fourth Proportional to 10,318.62, 15,472.71 and 4,394.55

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Solution

The fourth proportional to 10,318.62, 15,472.71 and 4,394.55 is: 6,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.62 : 15,472.71 = 4,394.55 : x
  2. Step 2: Convert to fraction form
    10,318.62/15,472.71 = 4,394.55/x
  3. Step 3: Cross multiply
    10,318.62x = 15,472.71 × 4,394.55
  4. Step 4: Simplify right side
    10,318.62x = 67,995,597.73
  5. Step 5: Solve for x
    x = 67,995,597.73/10,318.62
  6. Step 6: Final answer
    x = 6,589.60

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1.5x scale

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.