Home / 20,192.80-30,281.44-9,099.04

Finding the Fourth Proportional to 20,192.80, 30,281.44 and 9,099.04

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Solution

The fourth proportional to 20,192.80, 30,281.44 and 9,099.04 is: 13,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.80 : 30,281.44 = 9,099.04 : x
  2. Step 2: Convert to fraction form
    20,192.80/30,281.44 = 9,099.04/x
  3. Step 3: Cross multiply
    20,192.80x = 30,281.44 × 9,099.04
  4. Step 4: Simplify right side
    20,192.80x = 275,532,033.82
  5. Step 5: Solve for x
    x = 275,532,033.82/20,192.80
  6. Step 6: Final answer
    x = 13,645.06

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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.