Home / 13,664.17-20,506.24-8,745.85

Finding the Fourth Proportional to 13,664.17, 20,506.24 and 8,745.85

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Solution

The fourth proportional to 13,664.17, 20,506.24 and 8,745.85 is: 13,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.17 : 20,506.24 = 8,745.85 : x
  2. Step 2: Convert to fraction form
    13,664.17/20,506.24 = 8,745.85/x
  3. Step 3: Cross multiply
    13,664.17x = 20,506.24 × 8,745.85
  4. Step 4: Simplify right side
    13,664.17x = 179,344,396.57
  5. Step 5: Solve for x
    x = 179,344,396.57/13,664.17
  6. Step 6: Final answer
    x = 13,125.16

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1.5x scale

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.