Home / 20,213.62-30,320.43-6,173.08

Finding the Fourth Proportional to 20,213.62, 30,320.43 and 6,173.08

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Solution

The fourth proportional to 20,213.62, 30,320.43 and 6,173.08 is: 9,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.62 : 30,320.43 = 6,173.08 : x
  2. Step 2: Convert to fraction form
    20,213.62/30,320.43 = 6,173.08/x
  3. Step 3: Cross multiply
    20,213.62x = 30,320.43 × 6,173.08
  4. Step 4: Simplify right side
    20,213.62x = 187,170,440.02
  5. Step 5: Solve for x
    x = 187,170,440.02/20,213.62
  6. Step 6: Final answer
    x = 9,259.62

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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.