Home / 18,119.43-24,981.66-11,734.74

Finding the Fourth Proportional to 18,119.43, 24,981.66 and 11,734.74

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Solution

The fourth proportional to 18,119.43, 24,981.66 and 11,734.74 is: 16,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.43 : 24,981.66 = 11,734.74 : x
  2. Step 2: Convert to fraction form
    18,119.43/24,981.66 = 11,734.74/x
  3. Step 3: Cross multiply
    18,119.43x = 24,981.66 × 11,734.74
  4. Step 4: Simplify right side
    18,119.43x = 293,153,251.75
  5. Step 5: Solve for x
    x = 293,153,251.75/18,119.43
  6. Step 6: Final answer
    x = 16,178.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.