Home / 11,177.62-15,425.28-6,142.36

Finding the Fourth Proportional to 11,177.62, 15,425.28 and 6,142.36

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Solution

The fourth proportional to 11,177.62, 15,425.28 and 6,142.36 is: 8,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.62 : 15,425.28 = 6,142.36 : x
  2. Step 2: Convert to fraction form
    11,177.62/15,425.28 = 6,142.36/x
  3. Step 3: Cross multiply
    11,177.62x = 15,425.28 × 6,142.36
  4. Step 4: Simplify right side
    11,177.62x = 94,747,622.86
  5. Step 5: Solve for x
    x = 94,747,622.86/11,177.62
  6. Step 6: Final answer
    x = 8,476.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.