Home / 18,244.91-27,358.25-8,375.77

Finding the Fourth Proportional to 18,244.91, 27,358.25 and 8,375.77

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Solution

The fourth proportional to 18,244.91, 27,358.25 and 8,375.77 is: 12,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.91 : 27,358.25 = 8,375.77 : x
  2. Step 2: Convert to fraction form
    18,244.91/27,358.25 = 8,375.77/x
  3. Step 3: Cross multiply
    18,244.91x = 27,358.25 × 8,375.77
  4. Step 4: Simplify right side
    18,244.91x = 229,146,401.92
  5. Step 5: Solve for x
    x = 229,146,401.92/18,244.91
  6. Step 6: Final answer
    x = 12,559.47

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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.