Home / 12,023.17-18,037.60-4,125.78

Finding the Fourth Proportional to 12,023.17, 18,037.60 and 4,125.78

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Solution

The fourth proportional to 12,023.17, 18,037.60 and 4,125.78 is: 6,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.17 : 18,037.60 = 4,125.78 : x
  2. Step 2: Convert to fraction form
    12,023.17/18,037.60 = 4,125.78/x
  3. Step 3: Cross multiply
    12,023.17x = 18,037.60 × 4,125.78
  4. Step 4: Simplify right side
    12,023.17x = 74,419,159.01
  5. Step 5: Solve for x
    x = 74,419,159.01/12,023.17
  6. Step 6: Final answer
    x = 6,189.65

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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.