Home / 18,234.79-25,151.52-11,164.71

Finding the Fourth Proportional to 18,234.79, 25,151.52 and 11,164.71

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Solution

The fourth proportional to 18,234.79, 25,151.52 and 11,164.71 is: 15,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.79 : 25,151.52 = 11,164.71 : x
  2. Step 2: Convert to fraction form
    18,234.79/25,151.52 = 11,164.71/x
  3. Step 3: Cross multiply
    18,234.79x = 25,151.52 × 11,164.71
  4. Step 4: Simplify right side
    18,234.79x = 280,809,426.86
  5. Step 5: Solve for x
    x = 280,809,426.86/18,234.79
  6. Step 6: Final answer
    x = 15,399.65

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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.