Home / 13,900.62-20,854.84-5,586.48

Finding the Fourth Proportional to 13,900.62, 20,854.84 and 5,586.48

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Solution

The fourth proportional to 13,900.62, 20,854.84 and 5,586.48 is: 8,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.62 : 20,854.84 = 5,586.48 : x
  2. Step 2: Convert to fraction form
    13,900.62/20,854.84 = 5,586.48/x
  3. Step 3: Cross multiply
    13,900.62x = 20,854.84 × 5,586.48
  4. Step 4: Simplify right side
    13,900.62x = 116,505,146.56
  5. Step 5: Solve for x
    x = 116,505,146.56/13,900.62
  6. Step 6: Final answer
    x = 8,381.29

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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.