Home / 15,449.57-23,181.29-7,125.12

Finding the Fourth Proportional to 15,449.57, 23,181.29 and 7,125.12

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Solution

The fourth proportional to 15,449.57, 23,181.29 and 7,125.12 is: 10,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.57 : 23,181.29 = 7,125.12 : x
  2. Step 2: Convert to fraction form
    15,449.57/23,181.29 = 7,125.12/x
  3. Step 3: Cross multiply
    15,449.57x = 23,181.29 × 7,125.12
  4. Step 4: Simplify right side
    15,449.57x = 165,169,437.38
  5. Step 5: Solve for x
    x = 165,169,437.38/15,449.57
  6. Step 6: Final answer
    x = 10,690.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.