Home / 13,764.94-20,647.59-3,904.22

Finding the Fourth Proportional to 13,764.94, 20,647.59 and 3,904.22

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Solution

The fourth proportional to 13,764.94, 20,647.59 and 3,904.22 is: 5,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.94 : 20,647.59 = 3,904.22 : x
  2. Step 2: Convert to fraction form
    13,764.94/20,647.59 = 3,904.22/x
  3. Step 3: Cross multiply
    13,764.94x = 20,647.59 × 3,904.22
  4. Step 4: Simplify right side
    13,764.94x = 80,612,764.92
  5. Step 5: Solve for x
    x = 80,612,764.92/13,764.94
  6. Step 6: Final answer
    x = 5,856.38

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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.