Home / 10,489.84-15,732.24-3,092.30

Finding the Fourth Proportional to 10,489.84, 15,732.24 and 3,092.30

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Solution

The fourth proportional to 10,489.84, 15,732.24 and 3,092.30 is: 4,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.84 : 15,732.24 = 3,092.30 : x
  2. Step 2: Convert to fraction form
    10,489.84/15,732.24 = 3,092.30/x
  3. Step 3: Cross multiply
    10,489.84x = 15,732.24 × 3,092.30
  4. Step 4: Simplify right side
    10,489.84x = 48,648,805.75
  5. Step 5: Solve for x
    x = 48,648,805.75/10,489.84
  6. Step 6: Final answer
    x = 4,637.71

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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.