Home / 10,911.17-16,367.60-3,515.84

Finding the Fourth Proportional to 10,911.17, 16,367.60 and 3,515.84

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Solution

The fourth proportional to 10,911.17, 16,367.60 and 3,515.84 is: 5,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.17 : 16,367.60 = 3,515.84 : x
  2. Step 2: Convert to fraction form
    10,911.17/16,367.60 = 3,515.84/x
  3. Step 3: Cross multiply
    10,911.17x = 16,367.60 × 3,515.84
  4. Step 4: Simplify right side
    10,911.17x = 57,545,763.37
  5. Step 5: Solve for x
    x = 57,545,763.37/10,911.17
  6. Step 6: Final answer
    x = 5,274.03

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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.