Home / 18,118.30-27,168.09-5,634.94

Finding the Fourth Proportional to 18,118.30, 27,168.09 and 5,634.94

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Solution

The fourth proportional to 18,118.30, 27,168.09 and 5,634.94 is: 8,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.30 : 27,168.09 = 5,634.94 : x
  2. Step 2: Convert to fraction form
    18,118.30/27,168.09 = 5,634.94/x
  3. Step 3: Cross multiply
    18,118.30x = 27,168.09 × 5,634.94
  4. Step 4: Simplify right side
    18,118.30x = 153,090,557.06
  5. Step 5: Solve for x
    x = 153,090,557.06/18,118.30
  6. Step 6: Final answer
    x = 8,449.50

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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.