Home / 11,177.70-15,425.56-6,142.24

Finding the Fourth Proportional to 11,177.70, 15,425.56 and 6,142.24

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Solution

The fourth proportional to 11,177.70, 15,425.56 and 6,142.24 is: 8,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.70 : 15,425.56 = 6,142.24 : x
  2. Step 2: Convert to fraction form
    11,177.70/15,425.56 = 6,142.24/x
  3. Step 3: Cross multiply
    11,177.70x = 15,425.56 × 6,142.24
  4. Step 4: Simplify right side
    11,177.70x = 94,747,491.65
  5. Step 5: Solve for x
    x = 94,747,491.65/11,177.70
  6. Step 6: Final answer
    x = 8,476.47

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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.