Home / 20,199.33-30,305.16-7,052.82

Finding the Fourth Proportional to 20,199.33, 30,305.16 and 7,052.82

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Solution

The fourth proportional to 20,199.33, 30,305.16 and 7,052.82 is: 10,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.33 : 30,305.16 = 7,052.82 : x
  2. Step 2: Convert to fraction form
    20,199.33/30,305.16 = 7,052.82/x
  3. Step 3: Cross multiply
    20,199.33x = 30,305.16 × 7,052.82
  4. Step 4: Simplify right side
    20,199.33x = 213,736,838.55
  5. Step 5: Solve for x
    x = 213,736,838.55/20,199.33
  6. Step 6: Final answer
    x = 10,581.38

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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.