Home / 10,031.04-15,046.20-3,790.80

Finding the Fourth Proportional to 10,031.04, 15,046.20 and 3,790.80

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Solution

The fourth proportional to 10,031.04, 15,046.20 and 3,790.80 is: 5,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.04 : 15,046.20 = 3,790.80 : x
  2. Step 2: Convert to fraction form
    10,031.04/15,046.20 = 3,790.80/x
  3. Step 3: Cross multiply
    10,031.04x = 15,046.20 × 3,790.80
  4. Step 4: Simplify right side
    10,031.04x = 57,037,134.96
  5. Step 5: Solve for x
    x = 57,037,134.96/10,031.04
  6. Step 6: Final answer
    x = 5,686.06

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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.