Home / 15,182.18-22,777.73-7,791.80

Finding the Fourth Proportional to 15,182.18, 22,777.73 and 7,791.80

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Solution

The fourth proportional to 15,182.18, 22,777.73 and 7,791.80 is: 11,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.18 : 22,777.73 = 7,791.80 : x
  2. Step 2: Convert to fraction form
    15,182.18/22,777.73 = 7,791.80/x
  3. Step 3: Cross multiply
    15,182.18x = 22,777.73 × 7,791.80
  4. Step 4: Simplify right side
    15,182.18x = 177,479,363.77
  5. Step 5: Solve for x
    x = 177,479,363.77/15,182.18
  6. Step 6: Final answer
    x = 11,689.98

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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.