Home / 11,001.13-16,503.18-3,209.89

Finding the Fourth Proportional to 11,001.13, 16,503.18 and 3,209.89

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Solution

The fourth proportional to 11,001.13, 16,503.18 and 3,209.89 is: 4,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.13 : 16,503.18 = 3,209.89 : x
  2. Step 2: Convert to fraction form
    11,001.13/16,503.18 = 3,209.89/x
  3. Step 3: Cross multiply
    11,001.13x = 16,503.18 × 3,209.89
  4. Step 4: Simplify right side
    11,001.13x = 52,973,392.45
  5. Step 5: Solve for x
    x = 52,973,392.45/11,001.13
  6. Step 6: Final answer
    x = 4,815.27

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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.