Home / 13,850.52-19,111.20-8,186.22

Finding the Fourth Proportional to 13,850.52, 19,111.20 and 8,186.22

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Solution

The fourth proportional to 13,850.52, 19,111.20 and 8,186.22 is: 11,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.52 : 19,111.20 = 8,186.22 : x
  2. Step 2: Convert to fraction form
    13,850.52/19,111.20 = 8,186.22/x
  3. Step 3: Cross multiply
    13,850.52x = 19,111.20 × 8,186.22
  4. Step 4: Simplify right side
    13,850.52x = 156,448,487.66
  5. Step 5: Solve for x
    x = 156,448,487.66/13,850.52
  6. Step 6: Final answer
    x = 11,295.50

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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.