Home / 11,218.98-16,828.74-5,369.16

Finding the Fourth Proportional to 11,218.98, 16,828.74 and 5,369.16

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Solution

The fourth proportional to 11,218.98, 16,828.74 and 5,369.16 is: 8,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.98 : 16,828.74 = 5,369.16 : x
  2. Step 2: Convert to fraction form
    11,218.98/16,828.74 = 5,369.16/x
  3. Step 3: Cross multiply
    11,218.98x = 16,828.74 × 5,369.16
  4. Step 4: Simplify right side
    11,218.98x = 90,356,197.66
  5. Step 5: Solve for x
    x = 90,356,197.66/11,218.98
  6. Step 6: Final answer
    x = 8,053.87

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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.