Home / 13,429.62-20,144.62-4,664.74

Finding the Fourth Proportional to 13,429.62, 20,144.62 and 4,664.74

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Solution

The fourth proportional to 13,429.62, 20,144.62 and 4,664.74 is: 6,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.62 : 20,144.62 = 4,664.74 : x
  2. Step 2: Convert to fraction form
    13,429.62/20,144.62 = 4,664.74/x
  3. Step 3: Cross multiply
    13,429.62x = 20,144.62 × 4,664.74
  4. Step 4: Simplify right side
    13,429.62x = 93,969,414.70
  5. Step 5: Solve for x
    x = 93,969,414.70/13,429.62
  6. Step 6: Final answer
    x = 6,997.18

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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.