Home / 22,212.81-33,321.11-8,889.66

Finding the Fourth Proportional to 22,212.81, 33,321.11 and 8,889.66

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Solution

The fourth proportional to 22,212.81, 33,321.11 and 8,889.66 is: 13,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.81 : 33,321.11 = 8,889.66 : x
  2. Step 2: Convert to fraction form
    22,212.81/33,321.11 = 8,889.66/x
  3. Step 3: Cross multiply
    22,212.81x = 33,321.11 × 8,889.66
  4. Step 4: Simplify right side
    22,212.81x = 296,213,294.27
  5. Step 5: Solve for x
    x = 296,213,294.27/22,212.81
  6. Step 6: Final answer
    x = 13,335.25

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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.