Home / 18,245.45-25,165.42-13,948.25

Finding the Fourth Proportional to 18,245.45, 25,165.42 and 13,948.25

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Solution

The fourth proportional to 18,245.45, 25,165.42 and 13,948.25 is: 19,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.45 : 25,165.42 = 13,948.25 : x
  2. Step 2: Convert to fraction form
    18,245.45/25,165.42 = 13,948.25/x
  3. Step 3: Cross multiply
    18,245.45x = 25,165.42 × 13,948.25
  4. Step 4: Simplify right side
    18,245.45x = 351,013,503.19
  5. Step 5: Solve for x
    x = 351,013,503.19/18,245.45
  6. Step 6: Final answer
    x = 19,238.42

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Similar ratio
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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.