Home / 13,541.78-20,263.43-11,179.82

Finding the Fourth Proportional to 13,541.78, 20,263.43 and 11,179.82

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Solution

The fourth proportional to 13,541.78, 20,263.43 and 11,179.82 is: 16,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.78 : 20,263.43 = 11,179.82 : x
  2. Step 2: Convert to fraction form
    13,541.78/20,263.43 = 11,179.82/x
  3. Step 3: Cross multiply
    13,541.78x = 20,263.43 × 11,179.82
  4. Step 4: Simplify right side
    13,541.78x = 226,541,578.59
  5. Step 5: Solve for x
    x = 226,541,578.59/13,541.78
  6. Step 6: Final answer
    x = 16,729.08

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1.5x scale

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.