Home / 15,311.04-22,972.38-7,910.88

Finding the Fourth Proportional to 15,311.04, 22,972.38 and 7,910.88

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Solution

The fourth proportional to 15,311.04, 22,972.38 and 7,910.88 is: 11,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.04 : 22,972.38 = 7,910.88 : x
  2. Step 2: Convert to fraction form
    15,311.04/22,972.38 = 7,910.88/x
  3. Step 3: Cross multiply
    15,311.04x = 22,972.38 × 7,910.88
  4. Step 4: Simplify right side
    15,311.04x = 181,731,741.49
  5. Step 5: Solve for x
    x = 181,731,741.49/15,311.04
  6. Step 6: Final answer
    x = 11,869.33

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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.