Home / 13,280.38-19,920.60-5,882.84

Finding the Fourth Proportional to 13,280.38, 19,920.60 and 5,882.84

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Solution

The fourth proportional to 13,280.38, 19,920.60 and 5,882.84 is: 8,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.38 : 19,920.60 = 5,882.84 : x
  2. Step 2: Convert to fraction form
    13,280.38/19,920.60 = 5,882.84/x
  3. Step 3: Cross multiply
    13,280.38x = 19,920.60 × 5,882.84
  4. Step 4: Simplify right side
    13,280.38x = 117,189,702.50
  5. Step 5: Solve for x
    x = 117,189,702.50/13,280.38
  6. Step 6: Final answer
    x = 8,824.27

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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.