Home / 12,024.68-18,037.02-7,890.85

Finding the Fourth Proportional to 12,024.68, 18,037.02 and 7,890.85

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Solution

The fourth proportional to 12,024.68, 18,037.02 and 7,890.85 is: 11,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.68 : 18,037.02 = 7,890.85 : x
  2. Step 2: Convert to fraction form
    12,024.68/18,037.02 = 7,890.85/x
  3. Step 3: Cross multiply
    12,024.68x = 18,037.02 × 7,890.85
  4. Step 4: Simplify right side
    12,024.68x = 142,327,419.27
  5. Step 5: Solve for x
    x = 142,327,419.27/12,024.68
  6. Step 6: Final answer
    x = 11,836.28

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Similar ratio
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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.