Home / 15,255.38-22,874.96-7,856.84

Finding the Fourth Proportional to 15,255.38, 22,874.96 and 7,856.84

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Solution

The fourth proportional to 15,255.38, 22,874.96 and 7,856.84 is: 11,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.38 : 22,874.96 = 7,856.84 : x
  2. Step 2: Convert to fraction form
    15,255.38/22,874.96 = 7,856.84/x
  3. Step 3: Cross multiply
    15,255.38x = 22,874.96 × 7,856.84
  4. Step 4: Simplify right side
    15,255.38x = 179,724,900.73
  5. Step 5: Solve for x
    x = 179,724,900.73/15,255.38
  6. Step 6: Final answer
    x = 11,781.08

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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.