Home / 18,077.50-27,105.45-7,534.81

Finding the Fourth Proportional to 18,077.50, 27,105.45 and 7,534.81

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Solution

The fourth proportional to 18,077.50, 27,105.45 and 7,534.81 is: 11,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.50 : 27,105.45 = 7,534.81 : x
  2. Step 2: Convert to fraction form
    18,077.50/27,105.45 = 7,534.81/x
  3. Step 3: Cross multiply
    18,077.50x = 27,105.45 × 7,534.81
  4. Step 4: Simplify right side
    18,077.50x = 204,234,415.71
  5. Step 5: Solve for x
    x = 204,234,415.71/18,077.50
  6. Step 6: Final answer
    x = 11,297.71

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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.