Home / 15,449.96-23,181.83-7,125.50

Finding the Fourth Proportional to 15,449.96, 23,181.83 and 7,125.50

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Solution

The fourth proportional to 15,449.96, 23,181.83 and 7,125.50 is: 10,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.96 : 23,181.83 = 7,125.50 : x
  2. Step 2: Convert to fraction form
    15,449.96/23,181.83 = 7,125.50/x
  3. Step 3: Cross multiply
    15,449.96x = 23,181.83 × 7,125.50
  4. Step 4: Simplify right side
    15,449.96x = 165,182,129.67
  5. Step 5: Solve for x
    x = 165,182,129.67/15,449.96
  6. Step 6: Final answer
    x = 10,691.43

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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.