Home / 10,031.30-15,049.38-3,011.30

Finding the Fourth Proportional to 10,031.30, 15,049.38 and 3,011.30

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Solution

The fourth proportional to 10,031.30, 15,049.38 and 3,011.30 is: 4,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.30 : 15,049.38 = 3,011.30 : x
  2. Step 2: Convert to fraction form
    10,031.30/15,049.38 = 3,011.30/x
  3. Step 3: Cross multiply
    10,031.30x = 15,049.38 × 3,011.30
  4. Step 4: Simplify right side
    10,031.30x = 45,318,182.94
  5. Step 5: Solve for x
    x = 45,318,182.94/10,031.30
  6. Step 6: Final answer
    x = 4,517.68

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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.