Home / 13,386.03-20,079.19-5,486.52

Finding the Fourth Proportional to 13,386.03, 20,079.19 and 5,486.52

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Solution

The fourth proportional to 13,386.03, 20,079.19 and 5,486.52 is: 8,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.03 : 20,079.19 = 5,486.52 : x
  2. Step 2: Convert to fraction form
    13,386.03/20,079.19 = 5,486.52/x
  3. Step 3: Cross multiply
    13,386.03x = 20,079.19 × 5,486.52
  4. Step 4: Simplify right side
    13,386.03x = 110,164,813.60
  5. Step 5: Solve for x
    x = 110,164,813.60/13,386.03
  6. Step 6: Final answer
    x = 8,229.83

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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.