Home / 13,110.77-18,092.24-7,444.78

Finding the Fourth Proportional to 13,110.77, 18,092.24 and 7,444.78

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Solution

The fourth proportional to 13,110.77, 18,092.24 and 7,444.78 is: 10,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.77 : 18,092.24 = 7,444.78 : x
  2. Step 2: Convert to fraction form
    13,110.77/18,092.24 = 7,444.78/x
  3. Step 3: Cross multiply
    13,110.77x = 18,092.24 × 7,444.78
  4. Step 4: Simplify right side
    13,110.77x = 134,692,691.97
  5. Step 5: Solve for x
    x = 134,692,691.97/13,110.77
  6. Step 6: Final answer
    x = 10,273.44

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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.