Home / 18,122.67-27,190.94-7,037.15

Finding the Fourth Proportional to 18,122.67, 27,190.94 and 7,037.15

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Solution

The fourth proportional to 18,122.67, 27,190.94 and 7,037.15 is: 10,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.67 : 27,190.94 = 7,037.15 : x
  2. Step 2: Convert to fraction form
    18,122.67/27,190.94 = 7,037.15/x
  3. Step 3: Cross multiply
    18,122.67x = 27,190.94 × 7,037.15
  4. Step 4: Simplify right side
    18,122.67x = 191,346,552.28
  5. Step 5: Solve for x
    x = 191,346,552.28/18,122.67
  6. Step 6: Final answer
    x = 10,558.41

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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.