Home / 13,443.57-20,165.39-4,083.66

Finding the Fourth Proportional to 13,443.57, 20,165.39 and 4,083.66

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Solution

The fourth proportional to 13,443.57, 20,165.39 and 4,083.66 is: 6,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.57 : 20,165.39 = 4,083.66 : x
  2. Step 2: Convert to fraction form
    13,443.57/20,165.39 = 4,083.66/x
  3. Step 3: Cross multiply
    13,443.57x = 20,165.39 × 4,083.66
  4. Step 4: Simplify right side
    13,443.57x = 82,348,576.11
  5. Step 5: Solve for x
    x = 82,348,576.11/13,443.57
  6. Step 6: Final answer
    x = 6,125.50

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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.