Home / 18,153.36-27,227.88-7,757.28

Finding the Fourth Proportional to 18,153.36, 27,227.88 and 7,757.28

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Solution

The fourth proportional to 18,153.36, 27,227.88 and 7,757.28 is: 11,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.36 : 27,227.88 = 7,757.28 : x
  2. Step 2: Convert to fraction form
    18,153.36/27,227.88 = 7,757.28/x
  3. Step 3: Cross multiply
    18,153.36x = 27,227.88 × 7,757.28
  4. Step 4: Simplify right side
    18,153.36x = 211,214,288.97
  5. Step 5: Solve for x
    x = 211,214,288.97/18,153.36
  6. Step 6: Final answer
    x = 11,635.00

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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.