Home / 15,310.30-22,965.45-4,781.22

Finding the Fourth Proportional to 15,310.30, 22,965.45 and 4,781.22

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Solution

The fourth proportional to 15,310.30, 22,965.45 and 4,781.22 is: 7,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.30 : 22,965.45 = 4,781.22 : x
  2. Step 2: Convert to fraction form
    15,310.30/22,965.45 = 4,781.22/x
  3. Step 3: Cross multiply
    15,310.30x = 22,965.45 × 4,781.22
  4. Step 4: Simplify right side
    15,310.30x = 109,802,842.84
  5. Step 5: Solve for x
    x = 109,802,842.84/15,310.30
  6. Step 6: Final answer
    x = 7,171.83

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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.