Home / 13,270.87-19,906.32-3,410.23

Finding the Fourth Proportional to 13,270.87, 19,906.32 and 3,410.23

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Solution

The fourth proportional to 13,270.87, 19,906.32 and 3,410.23 is: 5,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.87 : 19,906.32 = 3,410.23 : x
  2. Step 2: Convert to fraction form
    13,270.87/19,906.32 = 3,410.23/x
  3. Step 3: Cross multiply
    13,270.87x = 19,906.32 × 3,410.23
  4. Step 4: Simplify right side
    13,270.87x = 67,885,129.65
  5. Step 5: Solve for x
    x = 67,885,129.65/13,270.87
  6. Step 6: Final answer
    x = 5,115.35

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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.