Home / 20,195.48-30,269.52-9,089.18

Finding the Fourth Proportional to 20,195.48, 30,269.52 and 9,089.18

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Solution

The fourth proportional to 20,195.48, 30,269.52 and 9,089.18 is: 13,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.48 : 30,269.52 = 9,089.18 : x
  2. Step 2: Convert to fraction form
    20,195.48/30,269.52 = 9,089.18/x
  3. Step 3: Cross multiply
    20,195.48x = 30,269.52 × 9,089.18
  4. Step 4: Simplify right side
    20,195.48x = 275,125,115.79
  5. Step 5: Solve for x
    x = 275,125,115.79/20,195.48
  6. Step 6: Final answer
    x = 13,623.10

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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.