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Finding the Fourth Proportional to 24,151.62, 36,231.61 and 8,139.62

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Solution

The fourth proportional to 24,151.62, 36,231.61 and 8,139.62 is: 12,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,151.62 : 36,231.61 = 8,139.62 : x
  2. Step 2: Convert to fraction form
    24,151.62/36,231.61 = 8,139.62/x
  3. Step 3: Cross multiply
    24,151.62x = 36,231.61 × 8,139.62
  4. Step 4: Simplify right side
    24,151.62x = 294,911,537.39
  5. Step 5: Solve for x
    x = 294,911,537.39/24,151.62
  6. Step 6: Final answer
    x = 12,210.84

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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.