Home / 11,206.78-16,806.23-3,307.19

Finding the Fourth Proportional to 11,206.78, 16,806.23 and 3,307.19

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Solution

The fourth proportional to 11,206.78, 16,806.23 and 3,307.19 is: 4,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.78 : 16,806.23 = 3,307.19 : x
  2. Step 2: Convert to fraction form
    11,206.78/16,806.23 = 3,307.19/x
  3. Step 3: Cross multiply
    11,206.78x = 16,806.23 × 3,307.19
  4. Step 4: Simplify right side
    11,206.78x = 55,581,395.79
  5. Step 5: Solve for x
    x = 55,581,395.79/11,206.78
  6. Step 6: Final answer
    x = 4,959.62

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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.