Home / 12,386.10-18,581.40-4,063.80

Finding the Fourth Proportional to 12,386.10, 18,581.40 and 4,063.80

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Solution

The fourth proportional to 12,386.10, 18,581.40 and 4,063.80 is: 6,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.10 : 18,581.40 = 4,063.80 : x
  2. Step 2: Convert to fraction form
    12,386.10/18,581.40 = 4,063.80/x
  3. Step 3: Cross multiply
    12,386.10x = 18,581.40 × 4,063.80
  4. Step 4: Simplify right side
    12,386.10x = 75,511,093.32
  5. Step 5: Solve for x
    x = 75,511,093.32/12,386.10
  6. Step 6: Final answer
    x = 6,096.44

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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.