Home / 18,235.96-25,164.89-10,279.83

Finding the Fourth Proportional to 18,235.96, 25,164.89 and 10,279.83

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Solution

The fourth proportional to 18,235.96, 25,164.89 and 10,279.83 is: 14,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.96 : 25,164.89 = 10,279.83 : x
  2. Step 2: Convert to fraction form
    18,235.96/25,164.89 = 10,279.83/x
  3. Step 3: Cross multiply
    18,235.96x = 25,164.89 × 10,279.83
  4. Step 4: Simplify right side
    18,235.96x = 258,690,791.17
  5. Step 5: Solve for x
    x = 258,690,791.17/18,235.96
  6. Step 6: Final answer
    x = 14,185.75

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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.