Home / 13,251.75-19,878.44-4,017.75

Finding the Fourth Proportional to 13,251.75, 19,878.44 and 4,017.75

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Solution

The fourth proportional to 13,251.75, 19,878.44 and 4,017.75 is: 6,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.75 : 19,878.44 = 4,017.75 : x
  2. Step 2: Convert to fraction form
    13,251.75/19,878.44 = 4,017.75/x
  3. Step 3: Cross multiply
    13,251.75x = 19,878.44 × 4,017.75
  4. Step 4: Simplify right side
    13,251.75x = 79,866,582.22
  5. Step 5: Solve for x
    x = 79,866,582.22/13,251.75
  6. Step 6: Final answer
    x = 6,026.87

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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.