Home / 18,039.50-27,070.32-7,651.25

Finding the Fourth Proportional to 18,039.50, 27,070.32 and 7,651.25

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Solution

The fourth proportional to 18,039.50, 27,070.32 and 7,651.25 is: 11,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.50 : 27,070.32 = 7,651.25 : x
  2. Step 2: Convert to fraction form
    18,039.50/27,070.32 = 7,651.25/x
  3. Step 3: Cross multiply
    18,039.50x = 27,070.32 × 7,651.25
  4. Step 4: Simplify right side
    18,039.50x = 207,121,785.90
  5. Step 5: Solve for x
    x = 207,121,785.90/18,039.50
  6. Step 6: Final answer
    x = 11,481.57

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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.