Home / 20,208.42-30,314.16-6,169.62

Finding the Fourth Proportional to 20,208.42, 30,314.16 and 6,169.62

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Solution

The fourth proportional to 20,208.42, 30,314.16 and 6,169.62 is: 9,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.42 : 30,314.16 = 6,169.62 : x
  2. Step 2: Convert to fraction form
    20,208.42/30,314.16 = 6,169.62/x
  3. Step 3: Cross multiply
    20,208.42x = 30,314.16 × 6,169.62
  4. Step 4: Simplify right side
    20,208.42x = 187,026,847.82
  5. Step 5: Solve for x
    x = 187,026,847.82/20,208.42
  6. Step 6: Final answer
    x = 9,254.90

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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.