Home / 13,727.40-20,590.92-3,339.16

Finding the Fourth Proportional to 13,727.40, 20,590.92 and 3,339.16

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Solution

The fourth proportional to 13,727.40, 20,590.92 and 3,339.16 is: 5,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.40 : 20,590.92 = 3,339.16 : x
  2. Step 2: Convert to fraction form
    13,727.40/20,590.92 = 3,339.16/x
  3. Step 3: Cross multiply
    13,727.40x = 20,590.92 × 3,339.16
  4. Step 4: Simplify right side
    13,727.40x = 68,756,376.43
  5. Step 5: Solve for x
    x = 68,756,376.43/13,727.40
  6. Step 6: Final answer
    x = 5,008.70

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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.