Home / 13,626.29-20,439.44-4,859.16

Finding the Fourth Proportional to 13,626.29, 20,439.44 and 4,859.16

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Solution

The fourth proportional to 13,626.29, 20,439.44 and 4,859.16 is: 7,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.29 : 20,439.44 = 4,859.16 : x
  2. Step 2: Convert to fraction form
    13,626.29/20,439.44 = 4,859.16/x
  3. Step 3: Cross multiply
    13,626.29x = 20,439.44 × 4,859.16
  4. Step 4: Simplify right side
    13,626.29x = 99,318,426.55
  5. Step 5: Solve for x
    x = 99,318,426.55/13,626.29
  6. Step 6: Final answer
    x = 7,288.73

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Similar ratio
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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.