Home / 10,712.38-15,963.41-10,360

Finding the Fourth Proportional to 10,712.38, 15,963.41 and 10,360

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Solution

The fourth proportional to 10,712.38, 15,963.41 and 10,360 is: 15,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.38 : 15,963.41 = 10,360 : x
  2. Step 2: Convert to fraction form
    10,712.38/15,963.41 = 10,360/x
  3. Step 3: Cross multiply
    10,712.38x = 15,963.41 × 10,360
  4. Step 4: Simplify right side
    10,712.38x = 165,380,927.60
  5. Step 5: Solve for x
    x = 165,380,927.60/10,712.38
  6. Step 6: Final answer
    x = 15,438.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.