Home / 20,355.12-30,537.03-6,314.84

Finding the Fourth Proportional to 20,355.12, 30,537.03 and 6,314.84

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Solution

The fourth proportional to 20,355.12, 30,537.03 and 6,314.84 is: 9,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.12 : 30,537.03 = 6,314.84 : x
  2. Step 2: Convert to fraction form
    20,355.12/30,537.03 = 6,314.84/x
  3. Step 3: Cross multiply
    20,355.12x = 30,537.03 × 6,314.84
  4. Step 4: Simplify right side
    20,355.12x = 192,836,305.84
  5. Step 5: Solve for x
    x = 192,836,305.84/20,355.12
  6. Step 6: Final answer
    x = 9,473.60

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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.