Home / 22,560.20-33,839.90-7,768.79

Finding the Fourth Proportional to 22,560.20, 33,839.90 and 7,768.79

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Solution

The fourth proportional to 22,560.20, 33,839.90 and 7,768.79 is: 11,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.20 : 33,839.90 = 7,768.79 : x
  2. Step 2: Convert to fraction form
    22,560.20/33,839.90 = 7,768.79/x
  3. Step 3: Cross multiply
    22,560.20x = 33,839.90 × 7,768.79
  4. Step 4: Simplify right side
    22,560.20x = 262,895,151.61
  5. Step 5: Solve for x
    x = 262,895,151.61/22,560.20
  6. Step 6: Final answer
    x = 11,653.05

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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.