Home / 13,586.64-20,380.11-3,725.93

Finding the Fourth Proportional to 13,586.64, 20,380.11 and 3,725.93

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Solution

The fourth proportional to 13,586.64, 20,380.11 and 3,725.93 is: 5,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.64 : 20,380.11 = 3,725.93 : x
  2. Step 2: Convert to fraction form
    13,586.64/20,380.11 = 3,725.93/x
  3. Step 3: Cross multiply
    13,586.64x = 20,380.11 × 3,725.93
  4. Step 4: Simplify right side
    13,586.64x = 75,934,761.35
  5. Step 5: Solve for x
    x = 75,934,761.35/13,586.64
  6. Step 6: Final answer
    x = 5,588.93

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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.