Home / 20,170.80-30,257.14-6,132.84

Finding the Fourth Proportional to 20,170.80, 30,257.14 and 6,132.84

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Solution

The fourth proportional to 20,170.80, 30,257.14 and 6,132.84 is: 9,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.80 : 30,257.14 = 6,132.84 : x
  2. Step 2: Convert to fraction form
    20,170.80/30,257.14 = 6,132.84/x
  3. Step 3: Cross multiply
    20,170.80x = 30,257.14 × 6,132.84
  4. Step 4: Simplify right side
    20,170.80x = 185,562,167.81
  5. Step 5: Solve for x
    x = 185,562,167.81/20,170.80
  6. Step 6: Final answer
    x = 9,199.54

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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.