Home / 18,790.92-28,168.08-10,463.28

Finding the Fourth Proportional to 18,790.92, 28,168.08 and 10,463.28

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Solution

The fourth proportional to 18,790.92, 28,168.08 and 10,463.28 is: 15,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.92 : 28,168.08 = 10,463.28 : x
  2. Step 2: Convert to fraction form
    18,790.92/28,168.08 = 10,463.28/x
  3. Step 3: Cross multiply
    18,790.92x = 28,168.08 × 10,463.28
  4. Step 4: Simplify right side
    18,790.92x = 294,730,508.10
  5. Step 5: Solve for x
    x = 294,730,508.10/18,790.92
  6. Step 6: Final answer
    x = 15,684.73

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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.