Home / 12,503.88-17,257.05-8,040.33

Finding the Fourth Proportional to 12,503.88, 17,257.05 and 8,040.33

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Solution

The fourth proportional to 12,503.88, 17,257.05 and 8,040.33 is: 11,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.88 : 17,257.05 = 8,040.33 : x
  2. Step 2: Convert to fraction form
    12,503.88/17,257.05 = 8,040.33/x
  3. Step 3: Cross multiply
    12,503.88x = 17,257.05 × 8,040.33
  4. Step 4: Simplify right side
    12,503.88x = 138,752,376.83
  5. Step 5: Solve for x
    x = 138,752,376.83/12,503.88
  6. Step 6: Final answer
    x = 11,096.75

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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.