Home / 18,126.35-27,188.44-10,777.57

Finding the Fourth Proportional to 18,126.35, 27,188.44 and 10,777.57

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Solution

The fourth proportional to 18,126.35, 27,188.44 and 10,777.57 is: 16,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.35 : 27,188.44 = 10,777.57 : x
  2. Step 2: Convert to fraction form
    18,126.35/27,188.44 = 10,777.57/x
  3. Step 3: Cross multiply
    18,126.35x = 27,188.44 × 10,777.57
  4. Step 4: Simplify right side
    18,126.35x = 293,025,220.38
  5. Step 5: Solve for x
    x = 293,025,220.38/18,126.35
  6. Step 6: Final answer
    x = 16,165.71

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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.