Home / 12,252.38-18,377.20-3,368.39

Finding the Fourth Proportional to 12,252.38, 18,377.20 and 3,368.39

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Solution

The fourth proportional to 12,252.38, 18,377.20 and 3,368.39 is: 5,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.38 : 18,377.20 = 3,368.39 : x
  2. Step 2: Convert to fraction form
    12,252.38/18,377.20 = 3,368.39/x
  3. Step 3: Cross multiply
    12,252.38x = 18,377.20 × 3,368.39
  4. Step 4: Simplify right side
    12,252.38x = 61,901,576.71
  5. Step 5: Solve for x
    x = 61,901,576.71/12,252.38
  6. Step 6: Final answer
    x = 5,052.21

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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.