Home / 18,036.37-27,057.11-5,557.41

Finding the Fourth Proportional to 18,036.37, 27,057.11 and 5,557.41

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Solution

The fourth proportional to 18,036.37, 27,057.11 and 5,557.41 is: 8,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.37 : 27,057.11 = 5,557.41 : x
  2. Step 2: Convert to fraction form
    18,036.37/27,057.11 = 5,557.41/x
  3. Step 3: Cross multiply
    18,036.37x = 27,057.11 × 5,557.41
  4. Step 4: Simplify right side
    18,036.37x = 150,367,425.90
  5. Step 5: Solve for x
    x = 150,367,425.90/18,036.37
  6. Step 6: Final answer
    x = 8,336.90

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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.