Home / 12,026.30-18,039.45-3,261.21

Finding the Fourth Proportional to 12,026.30, 18,039.45 and 3,261.21

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Solution

The fourth proportional to 12,026.30, 18,039.45 and 3,261.21 is: 4,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.30 : 18,039.45 = 3,261.21 : x
  2. Step 2: Convert to fraction form
    12,026.30/18,039.45 = 3,261.21/x
  3. Step 3: Cross multiply
    12,026.30x = 18,039.45 × 3,261.21
  4. Step 4: Simplify right side
    12,026.30x = 58,830,434.73
  5. Step 5: Solve for x
    x = 58,830,434.73/12,026.30
  6. Step 6: Final answer
    x = 4,891.82

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Double scale
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Similar ratio
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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.