Home / 12,917.25-19,373.32-3,554.87

Finding the Fourth Proportional to 12,917.25, 19,373.32 and 3,554.87

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Solution

The fourth proportional to 12,917.25, 19,373.32 and 3,554.87 is: 5,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.25 : 19,373.32 = 3,554.87 : x
  2. Step 2: Convert to fraction form
    12,917.25/19,373.32 = 3,554.87/x
  3. Step 3: Cross multiply
    12,917.25x = 19,373.32 × 3,554.87
  4. Step 4: Simplify right side
    12,917.25x = 68,869,634.07
  5. Step 5: Solve for x
    x = 68,869,634.07/12,917.25
  6. Step 6: Final answer
    x = 5,331.60

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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.