Home / 18,872.06-26,042.72-10,489.10

Finding the Fourth Proportional to 18,872.06, 26,042.72 and 10,489.10

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Solution

The fourth proportional to 18,872.06, 26,042.72 and 10,489.10 is: 14,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.06 : 26,042.72 = 10,489.10 : x
  2. Step 2: Convert to fraction form
    18,872.06/26,042.72 = 10,489.10/x
  3. Step 3: Cross multiply
    18,872.06x = 26,042.72 × 10,489.10
  4. Step 4: Simplify right side
    18,872.06x = 273,164,694.35
  5. Step 5: Solve for x
    x = 273,164,694.35/18,872.06
  6. Step 6: Final answer
    x = 14,474.56

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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.