Home / 10,452.05-15,679.46-5,521.88

Finding the Fourth Proportional to 10,452.05, 15,679.46 and 5,521.88

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Solution

The fourth proportional to 10,452.05, 15,679.46 and 5,521.88 is: 8,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.05 : 15,679.46 = 5,521.88 : x
  2. Step 2: Convert to fraction form
    10,452.05/15,679.46 = 5,521.88/x
  3. Step 3: Cross multiply
    10,452.05x = 15,679.46 × 5,521.88
  4. Step 4: Simplify right side
    10,452.05x = 86,580,108.17
  5. Step 5: Solve for x
    x = 86,580,108.17/10,452.05
  6. Step 6: Final answer
    x = 8,283.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.