Home / 17,418.46-26,102.78-13,919.11

Finding the Fourth Proportional to 17,418.46, 26,102.78 and 13,919.11

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Solution

The fourth proportional to 17,418.46, 26,102.78 and 13,919.11 is: 20,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.46 : 26,102.78 = 13,919.11 : x
  2. Step 2: Convert to fraction form
    17,418.46/26,102.78 = 13,919.11/x
  3. Step 3: Cross multiply
    17,418.46x = 26,102.78 × 13,919.11
  4. Step 4: Simplify right side
    17,418.46x = 363,327,335.61
  5. Step 5: Solve for x
    x = 363,327,335.61/17,418.46
  6. Step 6: Final answer
    x = 20,858.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.