Home / 18,069.72-27,104.61-11,868.90

Finding the Fourth Proportional to 18,069.72, 27,104.61 and 11,868.90

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Solution

The fourth proportional to 18,069.72, 27,104.61 and 11,868.90 is: 17,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.72 : 27,104.61 = 11,868.90 : x
  2. Step 2: Convert to fraction form
    18,069.72/27,104.61 = 11,868.90/x
  3. Step 3: Cross multiply
    18,069.72x = 27,104.61 × 11,868.90
  4. Step 4: Simplify right side
    18,069.72x = 321,701,905.63
  5. Step 5: Solve for x
    x = 321,701,905.63/18,069.72
  6. Step 6: Final answer
    x = 17,803.37

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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.