Home / 12,703.50-19,057.86-3,938.04

Finding the Fourth Proportional to 12,703.50, 19,057.86 and 3,938.04

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Solution

The fourth proportional to 12,703.50, 19,057.86 and 3,938.04 is: 5,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.50 : 19,057.86 = 3,938.04 : x
  2. Step 2: Convert to fraction form
    12,703.50/19,057.86 = 3,938.04/x
  3. Step 3: Cross multiply
    12,703.50x = 19,057.86 × 3,938.04
  4. Step 4: Simplify right side
    12,703.50x = 75,050,614.99
  5. Step 5: Solve for x
    x = 75,050,614.99/12,703.50
  6. Step 6: Final answer
    x = 5,907.87

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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.