Home / 11,175.57-15,423.21-7,204.95

Finding the Fourth Proportional to 11,175.57, 15,423.21 and 7,204.95

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Solution

The fourth proportional to 11,175.57, 15,423.21 and 7,204.95 is: 9,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.57 : 15,423.21 = 7,204.95 : x
  2. Step 2: Convert to fraction form
    11,175.57/15,423.21 = 7,204.95/x
  3. Step 3: Cross multiply
    11,175.57x = 15,423.21 × 7,204.95
  4. Step 4: Simplify right side
    11,175.57x = 111,123,456.89
  5. Step 5: Solve for x
    x = 111,123,456.89/11,175.57
  6. Step 6: Final answer
    x = 9,943.43

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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.