Home / 15,449.76-23,181.55-7,125.32

Finding the Fourth Proportional to 15,449.76, 23,181.55 and 7,125.32

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Solution

The fourth proportional to 15,449.76, 23,181.55 and 7,125.32 is: 10,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.76 : 23,181.55 = 7,125.32 : x
  2. Step 2: Convert to fraction form
    15,449.76/23,181.55 = 7,125.32/x
  3. Step 3: Cross multiply
    15,449.76x = 23,181.55 × 7,125.32
  4. Step 4: Simplify right side
    15,449.76x = 165,176,001.99
  5. Step 5: Solve for x
    x = 165,176,001.99/15,449.76
  6. Step 6: Final answer
    x = 10,691.17

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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.