Home / 15,517.64-23,278.62-5,661.56

Finding the Fourth Proportional to 15,517.64, 23,278.62 and 5,661.56

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Solution

The fourth proportional to 15,517.64, 23,278.62 and 5,661.56 is: 8,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.64 : 23,278.62 = 5,661.56 : x
  2. Step 2: Convert to fraction form
    15,517.64/23,278.62 = 5,661.56/x
  3. Step 3: Cross multiply
    15,517.64x = 23,278.62 × 5,661.56
  4. Step 4: Simplify right side
    15,517.64x = 131,793,303.85
  5. Step 5: Solve for x
    x = 131,793,303.85/15,517.64
  6. Step 6: Final answer
    x = 8,493.13

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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.