Home / 18,663.39-27,998.54-5,335.82

Finding the Fourth Proportional to 18,663.39, 27,998.54 and 5,335.82

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Solution

The fourth proportional to 18,663.39, 27,998.54 and 5,335.82 is: 8,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.39 : 27,998.54 = 5,335.82 : x
  2. Step 2: Convert to fraction form
    18,663.39/27,998.54 = 5,335.82/x
  3. Step 3: Cross multiply
    18,663.39x = 27,998.54 × 5,335.82
  4. Step 4: Simplify right side
    18,663.39x = 149,395,270.52
  5. Step 5: Solve for x
    x = 149,395,270.52/18,663.39
  6. Step 6: Final answer
    x = 8,004.72

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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.