Home / 13,725.17-20,585.93-3,865.29

Finding the Fourth Proportional to 13,725.17, 20,585.93 and 3,865.29

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Solution

The fourth proportional to 13,725.17, 20,585.93 and 3,865.29 is: 5,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.17 : 20,585.93 = 3,865.29 : x
  2. Step 2: Convert to fraction form
    13,725.17/20,585.93 = 3,865.29/x
  3. Step 3: Cross multiply
    13,725.17x = 20,585.93 × 3,865.29
  4. Step 4: Simplify right side
    13,725.17x = 79,570,570.04
  5. Step 5: Solve for x
    x = 79,570,570.04/13,725.17
  6. Step 6: Final answer
    x = 5,797.42

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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.