Home / 13,723.92-20,585.88-3,335.58

Finding the Fourth Proportional to 13,723.92, 20,585.88 and 3,335.58

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Solution

The fourth proportional to 13,723.92, 20,585.88 and 3,335.58 is: 5,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.92 : 20,585.88 = 3,335.58 : x
  2. Step 2: Convert to fraction form
    13,723.92/20,585.88 = 3,335.58/x
  3. Step 3: Cross multiply
    13,723.92x = 20,585.88 × 3,335.58
  4. Step 4: Simplify right side
    13,723.92x = 68,665,849.61
  5. Step 5: Solve for x
    x = 68,665,849.61/13,723.92
  6. Step 6: Final answer
    x = 5,003.37

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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.