Home / 13,923.77-20,896.03-5,603.85

Finding the Fourth Proportional to 13,923.77, 20,896.03 and 5,603.85

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Solution

The fourth proportional to 13,923.77, 20,896.03 and 5,603.85 is: 8,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.77 : 20,896.03 = 5,603.85 : x
  2. Step 2: Convert to fraction form
    13,923.77/20,896.03 = 5,603.85/x
  3. Step 3: Cross multiply
    13,923.77x = 20,896.03 × 5,603.85
  4. Step 4: Simplify right side
    13,923.77x = 117,098,217.72
  5. Step 5: Solve for x
    x = 117,098,217.72/13,923.77
  6. Step 6: Final answer
    x = 8,409.95

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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.