Home / 10,998.18-16,498.08-3,207.20

Finding the Fourth Proportional to 10,998.18, 16,498.08 and 3,207.20

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Solution

The fourth proportional to 10,998.18, 16,498.08 and 3,207.20 is: 4,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.18 : 16,498.08 = 3,207.20 : x
  2. Step 2: Convert to fraction form
    10,998.18/16,498.08 = 3,207.20/x
  3. Step 3: Cross multiply
    10,998.18x = 16,498.08 × 3,207.20
  4. Step 4: Simplify right side
    10,998.18x = 52,912,559.69
  5. Step 5: Solve for x
    x = 52,912,559.69/10,998.18
  6. Step 6: Final answer
    x = 4,811.03

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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.