Home / 20,205.13-30,312.46-6,354.13

Finding the Fourth Proportional to 20,205.13, 30,312.46 and 6,354.13

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Solution

The fourth proportional to 20,205.13, 30,312.46 and 6,354.13 is: 9,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.13 : 30,312.46 = 6,354.13 : x
  2. Step 2: Convert to fraction form
    20,205.13/30,312.46 = 6,354.13/x
  3. Step 3: Cross multiply
    20,205.13x = 30,312.46 × 6,354.13
  4. Step 4: Simplify right side
    20,205.13x = 192,609,311.46
  5. Step 5: Solve for x
    x = 192,609,311.46/20,205.13
  6. Step 6: Final answer
    x = 9,532.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.