Home / 12,874.05-19,309.86-4,109.04

Finding the Fourth Proportional to 12,874.05, 19,309.86 and 4,109.04

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Solution

The fourth proportional to 12,874.05, 19,309.86 and 4,109.04 is: 6,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.05 : 19,309.86 = 4,109.04 : x
  2. Step 2: Convert to fraction form
    12,874.05/19,309.86 = 4,109.04/x
  3. Step 3: Cross multiply
    12,874.05x = 19,309.86 × 4,109.04
  4. Step 4: Simplify right side
    12,874.05x = 79,344,987.13
  5. Step 5: Solve for x
    x = 79,344,987.13/12,874.05
  6. Step 6: Final answer
    x = 6,163.17

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1.5x scale

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.