Home / 18,037.86-27,054.40-5,558.30

Finding the Fourth Proportional to 18,037.86, 27,054.40 and 5,558.30

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Solution

The fourth proportional to 18,037.86, 27,054.40 and 5,558.30 is: 8,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.86 : 27,054.40 = 5,558.30 : x
  2. Step 2: Convert to fraction form
    18,037.86/27,054.40 = 5,558.30/x
  3. Step 3: Cross multiply
    18,037.86x = 27,054.40 × 5,558.30
  4. Step 4: Simplify right side
    18,037.86x = 150,376,471.52
  5. Step 5: Solve for x
    x = 150,376,471.52/18,037.86
  6. Step 6: Final answer
    x = 8,336.71

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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.