Home / 18,198.80-27,298.21-5,051.17

Finding the Fourth Proportional to 18,198.80, 27,298.21 and 5,051.17

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Solution

The fourth proportional to 18,198.80, 27,298.21 and 5,051.17 is: 7,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.80 : 27,298.21 = 5,051.17 : x
  2. Step 2: Convert to fraction form
    18,198.80/27,298.21 = 5,051.17/x
  3. Step 3: Cross multiply
    18,198.80x = 27,298.21 × 5,051.17
  4. Step 4: Simplify right side
    18,198.80x = 137,887,899.41
  5. Step 5: Solve for x
    x = 137,887,899.41/18,198.80
  6. Step 6: Final answer
    x = 7,576.76

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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.