Home / 11,539.28-17,286.12-7,631.84

Finding the Fourth Proportional to 11,539.28, 17,286.12 and 7,631.84

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Solution

The fourth proportional to 11,539.28, 17,286.12 and 7,631.84 is: 11,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.28 : 17,286.12 = 7,631.84 : x
  2. Step 2: Convert to fraction form
    11,539.28/17,286.12 = 7,631.84/x
  3. Step 3: Cross multiply
    11,539.28x = 17,286.12 × 7,631.84
  4. Step 4: Simplify right side
    11,539.28x = 131,924,902.06
  5. Step 5: Solve for x
    x = 131,924,902.06/11,539.28
  6. Step 6: Final answer
    x = 11,432.68

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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.