Home / 18,039.51-27,059.32-5,559.13

Finding the Fourth Proportional to 18,039.51, 27,059.32 and 5,559.13

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Solution

The fourth proportional to 18,039.51, 27,059.32 and 5,559.13 is: 8,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.51 : 27,059.32 = 5,559.13 : x
  2. Step 2: Convert to fraction form
    18,039.51/27,059.32 = 5,559.13/x
  3. Step 3: Cross multiply
    18,039.51x = 27,059.32 × 5,559.13
  4. Step 4: Simplify right side
    18,039.51x = 150,426,287.09
  5. Step 5: Solve for x
    x = 150,426,287.09/18,039.51
  6. Step 6: Final answer
    x = 8,338.71

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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.