Home / 18,102.15-27,136.22-9,334.71

Finding the Fourth Proportional to 18,102.15, 27,136.22 and 9,334.71

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Solution

The fourth proportional to 18,102.15, 27,136.22 and 9,334.71 is: 13,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.15 : 27,136.22 = 9,334.71 : x
  2. Step 2: Convert to fraction form
    18,102.15/27,136.22 = 9,334.71/x
  3. Step 3: Cross multiply
    18,102.15x = 27,136.22 × 9,334.71
  4. Step 4: Simplify right side
    18,102.15x = 253,308,697.52
  5. Step 5: Solve for x
    x = 253,308,697.52/18,102.15
  6. Step 6: Final answer
    x = 13,993.29

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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.