Home / 18,949.31-26,149.70-10,452.23

Finding the Fourth Proportional to 18,949.31, 26,149.70 and 10,452.23

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Solution

The fourth proportional to 18,949.31, 26,149.70 and 10,452.23 is: 14,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.31 : 26,149.70 = 10,452.23 : x
  2. Step 2: Convert to fraction form
    18,949.31/26,149.70 = 10,452.23/x
  3. Step 3: Cross multiply
    18,949.31x = 26,149.70 × 10,452.23
  4. Step 4: Simplify right side
    18,949.31x = 273,322,587.33
  5. Step 5: Solve for x
    x = 273,322,587.33/18,949.31
  6. Step 6: Final answer
    x = 14,423.88

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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.