Home / 18,908.92-28,363.44-5,761.24

Finding the Fourth Proportional to 18,908.92, 28,363.44 and 5,761.24

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Solution

The fourth proportional to 18,908.92, 28,363.44 and 5,761.24 is: 8,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.92 : 28,363.44 = 5,761.24 : x
  2. Step 2: Convert to fraction form
    18,908.92/28,363.44 = 5,761.24/x
  3. Step 3: Cross multiply
    18,908.92x = 28,363.44 × 5,761.24
  4. Step 4: Simplify right side
    18,908.92x = 163,408,585.07
  5. Step 5: Solve for x
    x = 163,408,585.07/18,908.92
  6. Step 6: Final answer
    x = 8,641.88

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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.