Home / 21,550.75-32,326.06-6,760.78

Finding the Fourth Proportional to 21,550.75, 32,326.06 and 6,760.78

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Solution

The fourth proportional to 21,550.75, 32,326.06 and 6,760.78 is: 10,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.75 : 32,326.06 = 6,760.78 : x
  2. Step 2: Convert to fraction form
    21,550.75/32,326.06 = 6,760.78/x
  3. Step 3: Cross multiply
    21,550.75x = 32,326.06 × 6,760.78
  4. Step 4: Simplify right side
    21,550.75x = 218,549,184.49
  5. Step 5: Solve for x
    x = 218,549,184.49/21,550.75
  6. Step 6: Final answer
    x = 10,141.14

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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.