Home / 15,694-23,540.40-6,331.12

Finding the Fourth Proportional to 15,694, 23,540.40 and 6,331.12

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Solution

The fourth proportional to 15,694, 23,540.40 and 6,331.12 is: 9,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694 : 23,540.40 = 6,331.12 : x
  2. Step 2: Convert to fraction form
    15,694/23,540.40 = 6,331.12/x
  3. Step 3: Cross multiply
    15,694x = 23,540.40 × 6,331.12
  4. Step 4: Simplify right side
    15,694x = 149,037,097.25
  5. Step 5: Solve for x
    x = 149,037,097.25/15,694
  6. Step 6: Final answer
    x = 9,496.44

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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.