Home / 20,502.08-30,757.44-6,650

Finding the Fourth Proportional to 20,502.08, 30,757.44 and 6,650

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Solution

The fourth proportional to 20,502.08, 30,757.44 and 6,650 is: 9,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.08 : 30,757.44 = 6,650 : x
  2. Step 2: Convert to fraction form
    20,502.08/30,757.44 = 6,650/x
  3. Step 3: Cross multiply
    20,502.08x = 30,757.44 × 6,650
  4. Step 4: Simplify right side
    20,502.08x = 204,536,976
  5. Step 5: Solve for x
    x = 204,536,976/20,502.08
  6. Step 6: Final answer
    x = 9,976.40

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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.