Home / 12,158.26-18,224.03-4,761.34

Finding the Fourth Proportional to 12,158.26, 18,224.03 and 4,761.34

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Solution

The fourth proportional to 12,158.26, 18,224.03 and 4,761.34 is: 7,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158.26 : 18,224.03 = 4,761.34 : x
  2. Step 2: Convert to fraction form
    12,158.26/18,224.03 = 4,761.34/x
  3. Step 3: Cross multiply
    12,158.26x = 18,224.03 × 4,761.34
  4. Step 4: Simplify right side
    12,158.26x = 86,770,779.19
  5. Step 5: Solve for x
    x = 86,770,779.19/12,158.26
  6. Step 6: Final answer
    x = 7,136.78

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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.