Home / 13,227.47-18,254.71-8,743.44

Finding the Fourth Proportional to 13,227.47, 18,254.71 and 8,743.44

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Solution

The fourth proportional to 13,227.47, 18,254.71 and 8,743.44 is: 12,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.47 : 18,254.71 = 8,743.44 : x
  2. Step 2: Convert to fraction form
    13,227.47/18,254.71 = 8,743.44/x
  3. Step 3: Cross multiply
    13,227.47x = 18,254.71 × 8,743.44
  4. Step 4: Simplify right side
    13,227.47x = 159,608,961.60
  5. Step 5: Solve for x
    x = 159,608,961.60/13,227.47
  6. Step 6: Final answer
    x = 12,066.48

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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.