Home / 20,236.44-30,354.62-6,386.52

Finding the Fourth Proportional to 20,236.44, 30,354.62 and 6,386.52

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Solution

The fourth proportional to 20,236.44, 30,354.62 and 6,386.52 is: 9,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.44 : 30,354.62 = 6,386.52 : x
  2. Step 2: Convert to fraction form
    20,236.44/30,354.62 = 6,386.52/x
  3. Step 3: Cross multiply
    20,236.44x = 30,354.62 × 6,386.52
  4. Step 4: Simplify right side
    20,236.44x = 193,860,387.72
  5. Step 5: Solve for x
    x = 193,860,387.72/20,236.44
  6. Step 6: Final answer
    x = 9,579.77

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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.