Home / 18,008.06-27,012.57-4,860.39

Finding the Fourth Proportional to 18,008.06, 27,012.57 and 4,860.39

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Solution

The fourth proportional to 18,008.06, 27,012.57 and 4,860.39 is: 7,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.06 : 27,012.57 = 4,860.39 : x
  2. Step 2: Convert to fraction form
    18,008.06/27,012.57 = 4,860.39/x
  3. Step 3: Cross multiply
    18,008.06x = 27,012.57 × 4,860.39
  4. Step 4: Simplify right side
    18,008.06x = 131,291,625.10
  5. Step 5: Solve for x
    x = 131,291,625.10/18,008.06
  6. Step 6: Final answer
    x = 7,290.71

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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.