Home / 12,044.88-18,068.40-4,251.78

Finding the Fourth Proportional to 12,044.88, 18,068.40 and 4,251.78

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Solution

The fourth proportional to 12,044.88, 18,068.40 and 4,251.78 is: 6,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.88 : 18,068.40 = 4,251.78 : x
  2. Step 2: Convert to fraction form
    12,044.88/18,068.40 = 4,251.78/x
  3. Step 3: Cross multiply
    12,044.88x = 18,068.40 × 4,251.78
  4. Step 4: Simplify right side
    12,044.88x = 76,822,861.75
  5. Step 5: Solve for x
    x = 76,822,861.75/12,044.88
  6. Step 6: Final answer
    x = 6,378.05

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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.