Home / 20,496.40-30,748.10-9,404.04

Finding the Fourth Proportional to 20,496.40, 30,748.10 and 9,404.04

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Solution

The fourth proportional to 20,496.40, 30,748.10 and 9,404.04 is: 14,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.40 : 30,748.10 = 9,404.04 : x
  2. Step 2: Convert to fraction form
    20,496.40/30,748.10 = 9,404.04/x
  3. Step 3: Cross multiply
    20,496.40x = 30,748.10 × 9,404.04
  4. Step 4: Simplify right side
    20,496.40x = 289,156,270.53
  5. Step 5: Solve for x
    x = 289,156,270.53/20,496.40
  6. Step 6: Final answer
    x = 14,107.66

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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.