Home / 17,146.56-25,719.66-5,460.78

Finding the Fourth Proportional to 17,146.56, 25,719.66 and 5,460.78

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Solution

The fourth proportional to 17,146.56, 25,719.66 and 5,460.78 is: 8,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.56 : 25,719.66 = 5,460.78 : x
  2. Step 2: Convert to fraction form
    17,146.56/25,719.66 = 5,460.78/x
  3. Step 3: Cross multiply
    17,146.56x = 25,719.66 × 5,460.78
  4. Step 4: Simplify right side
    17,146.56x = 140,449,404.93
  5. Step 5: Solve for x
    x = 140,449,404.93/17,146.56
  6. Step 6: Final answer
    x = 8,191.11

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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.