Home / 18,327.25-25,291.61-9,943.75

Finding the Fourth Proportional to 18,327.25, 25,291.61 and 9,943.75

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Solution

The fourth proportional to 18,327.25, 25,291.61 and 9,943.75 is: 13,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.25 : 25,291.61 = 9,943.75 : x
  2. Step 2: Convert to fraction form
    18,327.25/25,291.61 = 9,943.75/x
  3. Step 3: Cross multiply
    18,327.25x = 25,291.61 × 9,943.75
  4. Step 4: Simplify right side
    18,327.25x = 251,493,446.94
  5. Step 5: Solve for x
    x = 251,493,446.94/18,327.25
  6. Step 6: Final answer
    x = 13,722.38

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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.