Home / 18,317.80-25,278.99-10,359.85

Finding the Fourth Proportional to 18,317.80, 25,278.99 and 10,359.85

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Solution

The fourth proportional to 18,317.80, 25,278.99 and 10,359.85 is: 14,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.80 : 25,278.99 = 10,359.85 : x
  2. Step 2: Convert to fraction form
    18,317.80/25,278.99 = 10,359.85/x
  3. Step 3: Cross multiply
    18,317.80x = 25,278.99 × 10,359.85
  4. Step 4: Simplify right side
    18,317.80x = 261,886,489.90
  5. Step 5: Solve for x
    x = 261,886,489.90/18,317.80
  6. Step 6: Final answer
    x = 14,296.83

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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.