Home / 15,613.31-23,418.25-3,926.53

Finding the Fourth Proportional to 15,613.31, 23,418.25 and 3,926.53

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Solution

The fourth proportional to 15,613.31, 23,418.25 and 3,926.53 is: 5,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.31 : 23,418.25 = 3,926.53 : x
  2. Step 2: Convert to fraction form
    15,613.31/23,418.25 = 3,926.53/x
  3. Step 3: Cross multiply
    15,613.31x = 23,418.25 × 3,926.53
  4. Step 4: Simplify right side
    15,613.31x = 91,952,480.63
  5. Step 5: Solve for x
    x = 91,952,480.63/15,613.31
  6. Step 6: Final answer
    x = 5,889.36

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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.