Home / 12,876.18-17,748.36-9,093.33

Finding the Fourth Proportional to 12,876.18, 17,748.36 and 9,093.33

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Solution

The fourth proportional to 12,876.18, 17,748.36 and 9,093.33 is: 12,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.18 : 17,748.36 = 9,093.33 : x
  2. Step 2: Convert to fraction form
    12,876.18/17,748.36 = 9,093.33/x
  3. Step 3: Cross multiply
    12,876.18x = 17,748.36 × 9,093.33
  4. Step 4: Simplify right side
    12,876.18x = 161,391,694.44
  5. Step 5: Solve for x
    x = 161,391,694.44/12,876.18
  6. Step 6: Final answer
    x = 12,534.13

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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.