Home / 13,725.11-20,588.87-3,864.47

Finding the Fourth Proportional to 13,725.11, 20,588.87 and 3,864.47

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Solution

The fourth proportional to 13,725.11, 20,588.87 and 3,864.47 is: 5,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.11 : 20,588.87 = 3,864.47 : x
  2. Step 2: Convert to fraction form
    13,725.11/20,588.87 = 3,864.47/x
  3. Step 3: Cross multiply
    13,725.11x = 20,588.87 × 3,864.47
  4. Step 4: Simplify right side
    13,725.11x = 79,564,977.17
  5. Step 5: Solve for x
    x = 79,564,977.17/13,725.11
  6. Step 6: Final answer
    x = 5,797.04

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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.