Home / 11,002.40-16,503.32-3,211.28

Finding the Fourth Proportional to 11,002.40, 16,503.32 and 3,211.28

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Solution

The fourth proportional to 11,002.40, 16,503.32 and 3,211.28 is: 4,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.40 : 16,503.32 = 3,211.28 : x
  2. Step 2: Convert to fraction form
    11,002.40/16,503.32 = 3,211.28/x
  3. Step 3: Cross multiply
    11,002.40x = 16,503.32 × 3,211.28
  4. Step 4: Simplify right side
    11,002.40x = 52,996,698.93
  5. Step 5: Solve for x
    x = 52,996,698.93/11,002.40
  6. Step 6: Final answer
    x = 4,816.83

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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.