Home / 13,331.75-18,397.82-8,026.79

Finding the Fourth Proportional to 13,331.75, 18,397.82 and 8,026.79

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Solution

The fourth proportional to 13,331.75, 18,397.82 and 8,026.79 is: 11,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.75 : 18,397.82 = 8,026.79 : x
  2. Step 2: Convert to fraction form
    13,331.75/18,397.82 = 8,026.79/x
  3. Step 3: Cross multiply
    13,331.75x = 18,397.82 × 8,026.79
  4. Step 4: Simplify right side
    13,331.75x = 147,675,397.46
  5. Step 5: Solve for x
    x = 147,675,397.46/13,331.75
  6. Step 6: Final answer
    x = 11,076.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.