Home / 11,028.60-16,557.30-8,839.80

Finding the Fourth Proportional to 11,028.60, 16,557.30 and 8,839.80

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Solution

The fourth proportional to 11,028.60, 16,557.30 and 8,839.80 is: 13,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.60 : 16,557.30 = 8,839.80 : x
  2. Step 2: Convert to fraction form
    11,028.60/16,557.30 = 8,839.80/x
  3. Step 3: Cross multiply
    11,028.60x = 16,557.30 × 8,839.80
  4. Step 4: Simplify right side
    11,028.60x = 146,363,220.54
  5. Step 5: Solve for x
    x = 146,363,220.54/11,028.60
  6. Step 6: Final answer
    x = 13,271.24

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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.