Home / 18,238.87-25,169.43-10,283.66

Finding the Fourth Proportional to 18,238.87, 25,169.43 and 10,283.66

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Solution

The fourth proportional to 18,238.87, 25,169.43 and 10,283.66 is: 14,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.87 : 25,169.43 = 10,283.66 : x
  2. Step 2: Convert to fraction form
    18,238.87/25,169.43 = 10,283.66/x
  3. Step 3: Cross multiply
    18,238.87x = 25,169.43 × 10,283.66
  4. Step 4: Simplify right side
    18,238.87x = 258,833,867.62
  5. Step 5: Solve for x
    x = 258,833,867.62/18,238.87
  6. Step 6: Final answer
    x = 14,191.33

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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.