Home / 13,723.38-20,585.06-3,335.12

Finding the Fourth Proportional to 13,723.38, 20,585.06 and 3,335.12

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Solution

The fourth proportional to 13,723.38, 20,585.06 and 3,335.12 is: 5,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.38 : 20,585.06 = 3,335.12 : x
  2. Step 2: Convert to fraction form
    13,723.38/20,585.06 = 3,335.12/x
  3. Step 3: Cross multiply
    13,723.38x = 20,585.06 × 3,335.12
  4. Step 4: Simplify right side
    13,723.38x = 68,653,645.31
  5. Step 5: Solve for x
    x = 68,653,645.31/13,723.38
  6. Step 6: Final answer
    x = 5,002.68

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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.