Home / 20,169.42-30,257.01-6,319.50

Finding the Fourth Proportional to 20,169.42, 30,257.01 and 6,319.50

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Solution

The fourth proportional to 20,169.42, 30,257.01 and 6,319.50 is: 9,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.42 : 30,257.01 = 6,319.50 : x
  2. Step 2: Convert to fraction form
    20,169.42/30,257.01 = 6,319.50/x
  3. Step 3: Cross multiply
    20,169.42x = 30,257.01 × 6,319.50
  4. Step 4: Simplify right side
    20,169.42x = 191,209,174.70
  5. Step 5: Solve for x
    x = 191,209,174.70/20,169.42
  6. Step 6: Final answer
    x = 9,480.15

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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.