Home / 13,081.32-19,621.98-3,722.31

Finding the Fourth Proportional to 13,081.32, 19,621.98 and 3,722.31

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Solution

The fourth proportional to 13,081.32, 19,621.98 and 3,722.31 is: 5,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.32 : 19,621.98 = 3,722.31 : x
  2. Step 2: Convert to fraction form
    13,081.32/19,621.98 = 3,722.31/x
  3. Step 3: Cross multiply
    13,081.32x = 19,621.98 × 3,722.31
  4. Step 4: Simplify right side
    13,081.32x = 73,039,092.37
  5. Step 5: Solve for x
    x = 73,039,092.37/13,081.32
  6. Step 6: Final answer
    x = 5,583.47

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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.