Home / 20,192.74-30,290.13-7,713.85

Finding the Fourth Proportional to 20,192.74, 30,290.13 and 7,713.85

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Solution

The fourth proportional to 20,192.74, 30,290.13 and 7,713.85 is: 11,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.74 : 30,290.13 = 7,713.85 : x
  2. Step 2: Convert to fraction form
    20,192.74/30,290.13 = 7,713.85/x
  3. Step 3: Cross multiply
    20,192.74x = 30,290.13 × 7,713.85
  4. Step 4: Simplify right side
    20,192.74x = 233,653,443.58
  5. Step 5: Solve for x
    x = 233,653,443.58/20,192.74
  6. Step 6: Final answer
    x = 11,571.16

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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.