Home / 15,949.31-23,915.93-9,287.96

Finding the Fourth Proportional to 15,949.31, 23,915.93 and 9,287.96

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Solution

The fourth proportional to 15,949.31, 23,915.93 and 9,287.96 is: 13,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.31 : 23,915.93 = 9,287.96 : x
  2. Step 2: Convert to fraction form
    15,949.31/23,915.93 = 9,287.96/x
  3. Step 3: Cross multiply
    15,949.31x = 23,915.93 × 9,287.96
  4. Step 4: Simplify right side
    15,949.31x = 222,130,214.55
  5. Step 5: Solve for x
    x = 222,130,214.55/15,949.31
  6. Step 6: Final answer
    x = 13,927.26

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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.