Home / 15,517.99-23,270.15-4,422.16

Finding the Fourth Proportional to 15,517.99, 23,270.15 and 4,422.16

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Solution

The fourth proportional to 15,517.99, 23,270.15 and 4,422.16 is: 6,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.99 : 23,270.15 = 4,422.16 : x
  2. Step 2: Convert to fraction form
    15,517.99/23,270.15 = 4,422.16/x
  3. Step 3: Cross multiply
    15,517.99x = 23,270.15 × 4,422.16
  4. Step 4: Simplify right side
    15,517.99x = 102,904,326.52
  5. Step 5: Solve for x
    x = 102,904,326.52/15,517.99
  6. Step 6: Final answer
    x = 6,631.29

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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.