Home / 12,104.70-18,157.04-3,340.29

Finding the Fourth Proportional to 12,104.70, 18,157.04 and 3,340.29

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Solution

The fourth proportional to 12,104.70, 18,157.04 and 3,340.29 is: 5,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.70 : 18,157.04 = 3,340.29 : x
  2. Step 2: Convert to fraction form
    12,104.70/18,157.04 = 3,340.29/x
  3. Step 3: Cross multiply
    12,104.70x = 18,157.04 × 3,340.29
  4. Step 4: Simplify right side
    12,104.70x = 60,649,779.14
  5. Step 5: Solve for x
    x = 60,649,779.14/12,104.70
  6. Step 6: Final answer
    x = 5,010.43

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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.