Home / 20,203.74-30,310.20-6,165.02

Finding the Fourth Proportional to 20,203.74, 30,310.20 and 6,165.02

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Solution

The fourth proportional to 20,203.74, 30,310.20 and 6,165.02 is: 9,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.74 : 30,310.20 = 6,165.02 : x
  2. Step 2: Convert to fraction form
    20,203.74/30,310.20 = 6,165.02/x
  3. Step 3: Cross multiply
    20,203.74x = 30,310.20 × 6,165.02
  4. Step 4: Simplify right side
    20,203.74x = 186,862,958.38
  5. Step 5: Solve for x
    x = 186,862,958.38/20,203.74
  6. Step 6: Final answer
    x = 9,248.93

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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.