Home / 9,719.56-13,414.62-5,472.55

Finding the Fourth Proportional to 9,719.56, 13,414.62 and 5,472.55

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Solution

The fourth proportional to 9,719.56, 13,414.62 and 5,472.55 is: 7,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.56 : 13,414.62 = 5,472.55 : x
  2. Step 2: Convert to fraction form
    9,719.56/13,414.62 = 5,472.55/x
  3. Step 3: Cross multiply
    9,719.56x = 13,414.62 × 5,472.55
  4. Step 4: Simplify right side
    9,719.56x = 73,412,178.68
  5. Step 5: Solve for x
    x = 73,412,178.68/9,719.56
  6. Step 6: Final answer
    x = 7,553.04

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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.