Home / 12,505.08-18,751.36-3,737.64

Finding the Fourth Proportional to 12,505.08, 18,751.36 and 3,737.64

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Solution

The fourth proportional to 12,505.08, 18,751.36 and 3,737.64 is: 5,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.08 : 18,751.36 = 3,737.64 : x
  2. Step 2: Convert to fraction form
    12,505.08/18,751.36 = 3,737.64/x
  3. Step 3: Cross multiply
    12,505.08x = 18,751.36 × 3,737.64
  4. Step 4: Simplify right side
    12,505.08x = 70,085,833.19
  5. Step 5: Solve for x
    x = 70,085,833.19/12,505.08
  6. Step 6: Final answer
    x = 5,604.59

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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.