Home / 18,695.26-28,015.18-7,588.44

Finding the Fourth Proportional to 18,695.26, 28,015.18 and 7,588.44

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Solution

The fourth proportional to 18,695.26, 28,015.18 and 7,588.44 is: 11,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.26 : 28,015.18 = 7,588.44 : x
  2. Step 2: Convert to fraction form
    18,695.26/28,015.18 = 7,588.44/x
  3. Step 3: Cross multiply
    18,695.26x = 28,015.18 × 7,588.44
  4. Step 4: Simplify right side
    18,695.26x = 212,591,512.52
  5. Step 5: Solve for x
    x = 212,591,512.52/18,695.26
  6. Step 6: Final answer
    x = 11,371.41

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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.