Home / 10,204.20-15,306.36-3,630.64

Finding the Fourth Proportional to 10,204.20, 15,306.36 and 3,630.64

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Solution

The fourth proportional to 10,204.20, 15,306.36 and 3,630.64 is: 5,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.20 : 15,306.36 = 3,630.64 : x
  2. Step 2: Convert to fraction form
    10,204.20/15,306.36 = 3,630.64/x
  3. Step 3: Cross multiply
    10,204.20x = 15,306.36 × 3,630.64
  4. Step 4: Simplify right side
    10,204.20x = 55,571,882.87
  5. Step 5: Solve for x
    x = 55,571,882.87/10,204.20
  6. Step 6: Final answer
    x = 5,445.98

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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.