Home / 22,065.67-30,451.22-11,994.79

Finding the Fourth Proportional to 22,065.67, 30,451.22 and 11,994.79

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Solution

The fourth proportional to 22,065.67, 30,451.22 and 11,994.79 is: 16,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.67 : 30,451.22 = 11,994.79 : x
  2. Step 2: Convert to fraction form
    22,065.67/30,451.22 = 11,994.79/x
  3. Step 3: Cross multiply
    22,065.67x = 30,451.22 × 11,994.79
  4. Step 4: Simplify right side
    22,065.67x = 365,255,776.91
  5. Step 5: Solve for x
    x = 365,255,776.91/22,065.67
  6. Step 6: Final answer
    x = 16,553.12

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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.