Home / 18,499.68-25,550.82-13,486.32

Finding the Fourth Proportional to 18,499.68, 25,550.82 and 13,486.32

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Solution

The fourth proportional to 18,499.68, 25,550.82 and 13,486.32 is: 18,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.68 : 25,550.82 = 13,486.32 : x
  2. Step 2: Convert to fraction form
    18,499.68/25,550.82 = 13,486.32/x
  3. Step 3: Cross multiply
    18,499.68x = 25,550.82 × 13,486.32
  4. Step 4: Simplify right side
    18,499.68x = 344,586,534.78
  5. Step 5: Solve for x
    x = 344,586,534.78/18,499.68
  6. Step 6: Final answer
    x = 18,626.62

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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.