Home / 18,087.76-27,134.70-6,238.31

Finding the Fourth Proportional to 18,087.76, 27,134.70 and 6,238.31

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Solution

The fourth proportional to 18,087.76, 27,134.70 and 6,238.31 is: 9,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.76 : 27,134.70 = 6,238.31 : x
  2. Step 2: Convert to fraction form
    18,087.76/27,134.70 = 6,238.31/x
  3. Step 3: Cross multiply
    18,087.76x = 27,134.70 × 6,238.31
  4. Step 4: Simplify right side
    18,087.76x = 169,274,738.19
  5. Step 5: Solve for x
    x = 169,274,738.19/18,087.76
  6. Step 6: Final answer
    x = 9,358.53

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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.