Home / 13,588.53-20,379.10-3,725.46

Finding the Fourth Proportional to 13,588.53, 20,379.10 and 3,725.46

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Solution

The fourth proportional to 13,588.53, 20,379.10 and 3,725.46 is: 5,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.53 : 20,379.10 = 3,725.46 : x
  2. Step 2: Convert to fraction form
    13,588.53/20,379.10 = 3,725.46/x
  3. Step 3: Cross multiply
    13,588.53x = 20,379.10 × 3,725.46
  4. Step 4: Simplify right side
    13,588.53x = 75,921,588.99
  5. Step 5: Solve for x
    x = 75,921,588.99/13,588.53
  6. Step 6: Final answer
    x = 5,587.18

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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.