Home / 12,301.12-16,954.62-8,260.66

Finding the Fourth Proportional to 12,301.12, 16,954.62 and 8,260.66

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Solution

The fourth proportional to 12,301.12, 16,954.62 and 8,260.66 is: 11,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.12 : 16,954.62 = 8,260.66 : x
  2. Step 2: Convert to fraction form
    12,301.12/16,954.62 = 8,260.66/x
  3. Step 3: Cross multiply
    12,301.12x = 16,954.62 × 8,260.66
  4. Step 4: Simplify right side
    12,301.12x = 140,056,351.25
  5. Step 5: Solve for x
    x = 140,056,351.25/12,301.12
  6. Step 6: Final answer
    x = 11,385.66

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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.