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Finding the Fourth Proportional to 10,916.03, 15,063.22 and 6,201.02

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Solution

The fourth proportional to 10,916.03, 15,063.22 and 6,201.02 is: 8,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.03 : 15,063.22 = 6,201.02 : x
  2. Step 2: Convert to fraction form
    10,916.03/15,063.22 = 6,201.02/x
  3. Step 3: Cross multiply
    10,916.03x = 15,063.22 × 6,201.02
  4. Step 4: Simplify right side
    10,916.03x = 93,407,328.48
  5. Step 5: Solve for x
    x = 93,407,328.48/10,916.03
  6. Step 6: Final answer
    x = 8,556.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.