Home / 18,236.49-27,355.34-5,087.76

Finding the Fourth Proportional to 18,236.49, 27,355.34 and 5,087.76

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Solution

The fourth proportional to 18,236.49, 27,355.34 and 5,087.76 is: 7,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.49 : 27,355.34 = 5,087.76 : x
  2. Step 2: Convert to fraction form
    18,236.49/27,355.34 = 5,087.76/x
  3. Step 3: Cross multiply
    18,236.49x = 27,355.34 × 5,087.76
  4. Step 4: Simplify right side
    18,236.49x = 139,177,404.64
  5. Step 5: Solve for x
    x = 139,177,404.64/18,236.49
  6. Step 6: Final answer
    x = 7,631.81

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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.