Home / 12,042.38-18,066.27-4,251.80

Finding the Fourth Proportional to 12,042.38, 18,066.27 and 4,251.80

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Solution

The fourth proportional to 12,042.38, 18,066.27 and 4,251.80 is: 6,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.38 : 18,066.27 = 4,251.80 : x
  2. Step 2: Convert to fraction form
    12,042.38/18,066.27 = 4,251.80/x
  3. Step 3: Cross multiply
    12,042.38x = 18,066.27 × 4,251.80
  4. Step 4: Simplify right side
    12,042.38x = 76,814,166.79
  5. Step 5: Solve for x
    x = 76,814,166.79/12,042.38
  6. Step 6: Final answer
    x = 6,378.65

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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.