Home / 18,104.30-27,156.48-7,716.05

Finding the Fourth Proportional to 18,104.30, 27,156.48 and 7,716.05

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Solution

The fourth proportional to 18,104.30, 27,156.48 and 7,716.05 is: 11,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.30 : 27,156.48 = 7,716.05 : x
  2. Step 2: Convert to fraction form
    18,104.30/27,156.48 = 7,716.05/x
  3. Step 3: Cross multiply
    18,104.30x = 27,156.48 × 7,716.05
  4. Step 4: Simplify right side
    18,104.30x = 209,540,752.49
  5. Step 5: Solve for x
    x = 209,540,752.49/18,104.30
  6. Step 6: Final answer
    x = 11,574.09

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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.