Home / 12,916.46-17,837.22-11,131.34

Finding the Fourth Proportional to 12,916.46, 17,837.22 and 11,131.34

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Solution

The fourth proportional to 12,916.46, 17,837.22 and 11,131.34 is: 15,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.46 : 17,837.22 = 11,131.34 : x
  2. Step 2: Convert to fraction form
    12,916.46/17,837.22 = 11,131.34/x
  3. Step 3: Cross multiply
    12,916.46x = 17,837.22 × 11,131.34
  4. Step 4: Simplify right side
    12,916.46x = 198,552,160.47
  5. Step 5: Solve for x
    x = 198,552,160.47/12,916.46
  6. Step 6: Final answer
    x = 15,372.03

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1.5x scale

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.