Home / 13,727.84-20,591.80-3,339.52

Finding the Fourth Proportional to 13,727.84, 20,591.80 and 3,339.52

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Solution

The fourth proportional to 13,727.84, 20,591.80 and 3,339.52 is: 5,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.84 : 20,591.80 = 3,339.52 : x
  2. Step 2: Convert to fraction form
    13,727.84/20,591.80 = 3,339.52/x
  3. Step 3: Cross multiply
    13,727.84x = 20,591.80 × 3,339.52
  4. Step 4: Simplify right side
    13,727.84x = 68,766,727.94
  5. Step 5: Solve for x
    x = 68,766,727.94/13,727.84
  6. Step 6: Final answer
    x = 5,009.29

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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.