Home / 13,874.06-20,801.37-5,107.84

Finding the Fourth Proportional to 13,874.06, 20,801.37 and 5,107.84

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Solution

The fourth proportional to 13,874.06, 20,801.37 and 5,107.84 is: 7,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.06 : 20,801.37 = 5,107.84 : x
  2. Step 2: Convert to fraction form
    13,874.06/20,801.37 = 5,107.84/x
  3. Step 3: Cross multiply
    13,874.06x = 20,801.37 × 5,107.84
  4. Step 4: Simplify right side
    13,874.06x = 106,250,069.74
  5. Step 5: Solve for x
    x = 106,250,069.74/13,874.06
  6. Step 6: Final answer
    x = 7,658.18

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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.