Home / 13,682.82-20,521.29-4,323.56

Finding the Fourth Proportional to 13,682.82, 20,521.29 and 4,323.56

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Solution

The fourth proportional to 13,682.82, 20,521.29 and 4,323.56 is: 6,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.82 : 20,521.29 = 4,323.56 : x
  2. Step 2: Convert to fraction form
    13,682.82/20,521.29 = 4,323.56/x
  3. Step 3: Cross multiply
    13,682.82x = 20,521.29 × 4,323.56
  4. Step 4: Simplify right side
    13,682.82x = 88,725,028.59
  5. Step 5: Solve for x
    x = 88,725,028.59/13,682.82
  6. Step 6: Final answer
    x = 6,484.41

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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.