Home / 15,982.38-22,056.12-8,910.18

Finding the Fourth Proportional to 15,982.38, 22,056.12 and 8,910.18

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Solution

The fourth proportional to 15,982.38, 22,056.12 and 8,910.18 is: 12,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.38 : 22,056.12 = 8,910.18 : x
  2. Step 2: Convert to fraction form
    15,982.38/22,056.12 = 8,910.18/x
  3. Step 3: Cross multiply
    15,982.38x = 22,056.12 × 8,910.18
  4. Step 4: Simplify right side
    15,982.38x = 196,523,999.30
  5. Step 5: Solve for x
    x = 196,523,999.30/15,982.38
  6. Step 6: Final answer
    x = 12,296.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.