Home / 11,229.90-16,815.15-8,998.35

Finding the Fourth Proportional to 11,229.90, 16,815.15 and 8,998.35

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Solution

The fourth proportional to 11,229.90, 16,815.15 and 8,998.35 is: 13,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.90 : 16,815.15 = 8,998.35 : x
  2. Step 2: Convert to fraction form
    11,229.90/16,815.15 = 8,998.35/x
  3. Step 3: Cross multiply
    11,229.90x = 16,815.15 × 8,998.35
  4. Step 4: Simplify right side
    11,229.90x = 151,308,605.00
  5. Step 5: Solve for x
    x = 151,308,605.00/11,229.90
  6. Step 6: Final answer
    x = 13,473.73

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1.5x scale

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.