Home / 13,682.89-18,882.39-7,395.27

Finding the Fourth Proportional to 13,682.89, 18,882.39 and 7,395.27

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Solution

The fourth proportional to 13,682.89, 18,882.39 and 7,395.27 is: 10,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.89 : 18,882.39 = 7,395.27 : x
  2. Step 2: Convert to fraction form
    13,682.89/18,882.39 = 7,395.27/x
  3. Step 3: Cross multiply
    13,682.89x = 18,882.39 × 7,395.27
  4. Step 4: Simplify right side
    13,682.89x = 139,640,372.30
  5. Step 5: Solve for x
    x = 139,640,372.30/13,682.89
  6. Step 6: Final answer
    x = 10,205.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.