Home / 20,197.48-30,272.52-9,091.18

Finding the Fourth Proportional to 20,197.48, 30,272.52 and 9,091.18

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Solution

The fourth proportional to 20,197.48, 30,272.52 and 9,091.18 is: 13,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.48 : 30,272.52 = 9,091.18 : x
  2. Step 2: Convert to fraction form
    20,197.48/30,272.52 = 9,091.18/x
  3. Step 3: Cross multiply
    20,197.48x = 30,272.52 × 9,091.18
  4. Step 4: Simplify right side
    20,197.48x = 275,212,928.37
  5. Step 5: Solve for x
    x = 275,212,928.37/20,197.48
  6. Step 6: Final answer
    x = 13,626.10

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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.