Home / 18,117.54-27,171.38-4,966.79

Finding the Fourth Proportional to 18,117.54, 27,171.38 and 4,966.79

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Solution

The fourth proportional to 18,117.54, 27,171.38 and 4,966.79 is: 7,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.54 : 27,171.38 = 4,966.79 : x
  2. Step 2: Convert to fraction form
    18,117.54/27,171.38 = 4,966.79/x
  3. Step 3: Cross multiply
    18,117.54x = 27,171.38 × 4,966.79
  4. Step 4: Simplify right side
    18,117.54x = 134,954,415.03
  5. Step 5: Solve for x
    x = 134,954,415.03/18,117.54
  6. Step 6: Final answer
    x = 7,448.83

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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.