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Finding the Fourth Proportional to 24,666.76, 36,969.90 and 12,177.64

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Solution

The fourth proportional to 24,666.76, 36,969.90 and 12,177.64 is: 18,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,666.76 : 36,969.90 = 12,177.64 : x
  2. Step 2: Convert to fraction form
    24,666.76/36,969.90 = 12,177.64/x
  3. Step 3: Cross multiply
    24,666.76x = 36,969.90 × 12,177.64
  4. Step 4: Simplify right side
    24,666.76x = 450,206,133.04
  5. Step 5: Solve for x
    x = 450,206,133.04/24,666.76
  6. Step 6: Final answer
    x = 18,251.53

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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.