Home / 18,039.60-27,062.09-5,558.58

Finding the Fourth Proportional to 18,039.60, 27,062.09 and 5,558.58

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Solution

The fourth proportional to 18,039.60, 27,062.09 and 5,558.58 is: 8,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.60 : 27,062.09 = 5,558.58 : x
  2. Step 2: Convert to fraction form
    18,039.60/27,062.09 = 5,558.58/x
  3. Step 3: Cross multiply
    18,039.60x = 27,062.09 × 5,558.58
  4. Step 4: Simplify right side
    18,039.60x = 150,426,629.13
  5. Step 5: Solve for x
    x = 150,426,629.13/18,039.60
  6. Step 6: Final answer
    x = 8,338.69

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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.