Home / 18,947.25-26,148.42-10,883.43

Finding the Fourth Proportional to 18,947.25, 26,148.42 and 10,883.43

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Solution

The fourth proportional to 18,947.25, 26,148.42 and 10,883.43 is: 15,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.25 : 26,148.42 = 10,883.43 : x
  2. Step 2: Convert to fraction form
    18,947.25/26,148.42 = 10,883.43/x
  3. Step 3: Cross multiply
    18,947.25x = 26,148.42 × 10,883.43
  4. Step 4: Simplify right side
    18,947.25x = 284,584,498.68
  5. Step 5: Solve for x
    x = 284,584,498.68/18,947.25
  6. Step 6: Final answer
    x = 15,019.83

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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.