Home / 20,197.50-30,297.33-6,347.58

Finding the Fourth Proportional to 20,197.50, 30,297.33 and 6,347.58

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Solution

The fourth proportional to 20,197.50, 30,297.33 and 6,347.58 is: 9,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.50 : 30,297.33 = 6,347.58 : x
  2. Step 2: Convert to fraction form
    20,197.50/30,297.33 = 6,347.58/x
  3. Step 3: Cross multiply
    20,197.50x = 30,297.33 × 6,347.58
  4. Step 4: Simplify right side
    20,197.50x = 192,314,725.96
  5. Step 5: Solve for x
    x = 192,314,725.96/20,197.50
  6. Step 6: Final answer
    x = 9,521.71

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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.