Home / 13,664.57-20,496.85-3,804.62

Finding the Fourth Proportional to 13,664.57, 20,496.85 and 3,804.62

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Solution

The fourth proportional to 13,664.57, 20,496.85 and 3,804.62 is: 5,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.57 : 20,496.85 = 3,804.62 : x
  2. Step 2: Convert to fraction form
    13,664.57/20,496.85 = 3,804.62/x
  3. Step 3: Cross multiply
    13,664.57x = 20,496.85 × 3,804.62
  4. Step 4: Simplify right side
    13,664.57x = 77,982,613.45
  5. Step 5: Solve for x
    x = 77,982,613.45/13,664.57
  6. Step 6: Final answer
    x = 5,706.92

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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.