Home / 13,757.44-20,658.72-13,056.28

Finding the Fourth Proportional to 13,757.44, 20,658.72 and 13,056.28

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Solution

The fourth proportional to 13,757.44, 20,658.72 and 13,056.28 is: 19,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.44 : 20,658.72 = 13,056.28 : x
  2. Step 2: Convert to fraction form
    13,757.44/20,658.72 = 13,056.28/x
  3. Step 3: Cross multiply
    13,757.44x = 20,658.72 × 13,056.28
  4. Step 4: Simplify right side
    13,757.44x = 269,726,032.76
  5. Step 5: Solve for x
    x = 269,726,032.76/13,757.44
  6. Step 6: Final answer
    x = 19,605.83

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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.