Home / 12,026.80-18,040.20-3,261.72

Finding the Fourth Proportional to 12,026.80, 18,040.20 and 3,261.72

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Solution

The fourth proportional to 12,026.80, 18,040.20 and 3,261.72 is: 4,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.80 : 18,040.20 = 3,261.72 : x
  2. Step 2: Convert to fraction form
    12,026.80/18,040.20 = 3,261.72/x
  3. Step 3: Cross multiply
    12,026.80x = 18,040.20 × 3,261.72
  4. Step 4: Simplify right side
    12,026.80x = 58,842,081.14
  5. Step 5: Solve for x
    x = 58,842,081.14/12,026.80
  6. Step 6: Final answer
    x = 4,892.58

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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.