Home / 10,286.64-15,417.56-4,732.38

Finding the Fourth Proportional to 10,286.64, 15,417.56 and 4,732.38

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Solution

The fourth proportional to 10,286.64, 15,417.56 and 4,732.38 is: 7,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.64 : 15,417.56 = 4,732.38 : x
  2. Step 2: Convert to fraction form
    10,286.64/15,417.56 = 4,732.38/x
  3. Step 3: Cross multiply
    10,286.64x = 15,417.56 × 4,732.38
  4. Step 4: Simplify right side
    10,286.64x = 72,961,728.93
  5. Step 5: Solve for x
    x = 72,961,728.93/10,286.64
  6. Step 6: Final answer
    x = 7,092.86

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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.