Home / 18,949.46-26,150.42-10,451.90

Finding the Fourth Proportional to 18,949.46, 26,150.42 and 10,451.90

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Solution

The fourth proportional to 18,949.46, 26,150.42 and 10,451.90 is: 14,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.46 : 26,150.42 = 10,451.90 : x
  2. Step 2: Convert to fraction form
    18,949.46/26,150.42 = 10,451.90/x
  3. Step 3: Cross multiply
    18,949.46x = 26,150.42 × 10,451.90
  4. Step 4: Simplify right side
    18,949.46x = 273,321,574.80
  5. Step 5: Solve for x
    x = 273,321,574.80/18,949.46
  6. Step 6: Final answer
    x = 14,423.71

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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.