Home / 18,949.28-26,149.91-10,451.16

Finding the Fourth Proportional to 18,949.28, 26,149.91 and 10,451.16

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Solution

The fourth proportional to 18,949.28, 26,149.91 and 10,451.16 is: 14,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.28 : 26,149.91 = 10,451.16 : x
  2. Step 2: Convert to fraction form
    18,949.28/26,149.91 = 10,451.16/x
  3. Step 3: Cross multiply
    18,949.28x = 26,149.91 × 10,451.16
  4. Step 4: Simplify right side
    18,949.28x = 273,296,841.14
  5. Step 5: Solve for x
    x = 273,296,841.14/18,949.28
  6. Step 6: Final answer
    x = 14,422.55

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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.