Home / 19,556.41-29,340.13-5,516.57

Finding the Fourth Proportional to 19,556.41, 29,340.13 and 5,516.57

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Solution

The fourth proportional to 19,556.41, 29,340.13 and 5,516.57 is: 8,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.41 : 29,340.13 = 5,516.57 : x
  2. Step 2: Convert to fraction form
    19,556.41/29,340.13 = 5,516.57/x
  3. Step 3: Cross multiply
    19,556.41x = 29,340.13 × 5,516.57
  4. Step 4: Simplify right side
    19,556.41x = 161,856,880.95
  5. Step 5: Solve for x
    x = 161,856,880.95/19,556.41
  6. Step 6: Final answer
    x = 8,276.41

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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.