Home / 18,313.56-27,487.35-7,227.90

Finding the Fourth Proportional to 18,313.56, 27,487.35 and 7,227.90

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Solution

The fourth proportional to 18,313.56, 27,487.35 and 7,227.90 is: 10,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.56 : 27,487.35 = 7,227.90 : x
  2. Step 2: Convert to fraction form
    18,313.56/27,487.35 = 7,227.90/x
  3. Step 3: Cross multiply
    18,313.56x = 27,487.35 × 7,227.90
  4. Step 4: Simplify right side
    18,313.56x = 198,675,817.07
  5. Step 5: Solve for x
    x = 198,675,817.07/18,313.56
  6. Step 6: Final answer
    x = 10,848.56

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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.