Home / 11,125.08-16,686-3,729.24

Finding the Fourth Proportional to 11,125.08, 16,686 and 3,729.24

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Solution

The fourth proportional to 11,125.08, 16,686 and 3,729.24 is: 5,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.08 : 16,686 = 3,729.24 : x
  2. Step 2: Convert to fraction form
    11,125.08/16,686 = 3,729.24/x
  3. Step 3: Cross multiply
    11,125.08x = 16,686 × 3,729.24
  4. Step 4: Simplify right side
    11,125.08x = 62,226,098.64
  5. Step 5: Solve for x
    x = 62,226,098.64/11,125.08
  6. Step 6: Final answer
    x = 5,593.32

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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.