Home / 20,202.40-30,305.35-6,165.59

Finding the Fourth Proportional to 20,202.40, 30,305.35 and 6,165.59

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Solution

The fourth proportional to 20,202.40, 30,305.35 and 6,165.59 is: 9,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.40 : 30,305.35 = 6,165.59 : x
  2. Step 2: Convert to fraction form
    20,202.40/30,305.35 = 6,165.59/x
  3. Step 3: Cross multiply
    20,202.40x = 30,305.35 × 6,165.59
  4. Step 4: Simplify right side
    20,202.40x = 186,850,211.38
  5. Step 5: Solve for x
    x = 186,850,211.38/20,202.40
  6. Step 6: Final answer
    x = 9,248.91

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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.