Home / 18,134.74-27,198.98-4,807.82

Finding the Fourth Proportional to 18,134.74, 27,198.98 and 4,807.82

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Solution

The fourth proportional to 18,134.74, 27,198.98 and 4,807.82 is: 7,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.74 : 27,198.98 = 4,807.82 : x
  2. Step 2: Convert to fraction form
    18,134.74/27,198.98 = 4,807.82/x
  3. Step 3: Cross multiply
    18,134.74x = 27,198.98 × 4,807.82
  4. Step 4: Simplify right side
    18,134.74x = 130,767,843.98
  5. Step 5: Solve for x
    x = 130,767,843.98/18,134.74
  6. Step 6: Final answer
    x = 7,210.90

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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.