Home / 12,504.08-18,749.86-3,736.64

Finding the Fourth Proportional to 12,504.08, 18,749.86 and 3,736.64

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Solution

The fourth proportional to 12,504.08, 18,749.86 and 3,736.64 is: 5,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.08 : 18,749.86 = 3,736.64 : x
  2. Step 2: Convert to fraction form
    12,504.08/18,749.86 = 3,736.64/x
  3. Step 3: Cross multiply
    12,504.08x = 18,749.86 × 3,736.64
  4. Step 4: Simplify right side
    12,504.08x = 70,061,476.87
  5. Step 5: Solve for x
    x = 70,061,476.87/12,504.08
  6. Step 6: Final answer
    x = 5,603.09

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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.