Home / 20,537.10-30,809.43-6,500.66

Finding the Fourth Proportional to 20,537.10, 30,809.43 and 6,500.66

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Solution

The fourth proportional to 20,537.10, 30,809.43 and 6,500.66 is: 9,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.10 : 30,809.43 = 6,500.66 : x
  2. Step 2: Convert to fraction form
    20,537.10/30,809.43 = 6,500.66/x
  3. Step 3: Cross multiply
    20,537.10x = 30,809.43 × 6,500.66
  4. Step 4: Simplify right side
    20,537.10x = 200,281,475.18
  5. Step 5: Solve for x
    x = 200,281,475.18/20,537.10
  6. Step 6: Final answer
    x = 9,752.18

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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.