Home / 13,379.44-20,054.04-10,082.20

Finding the Fourth Proportional to 13,379.44, 20,054.04 and 10,082.20

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Solution

The fourth proportional to 13,379.44, 20,054.04 and 10,082.20 is: 15,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.44 : 20,054.04 = 10,082.20 : x
  2. Step 2: Convert to fraction form
    13,379.44/20,054.04 = 10,082.20/x
  3. Step 3: Cross multiply
    13,379.44x = 20,054.04 × 10,082.20
  4. Step 4: Simplify right side
    13,379.44x = 202,188,842.09
  5. Step 5: Solve for x
    x = 202,188,842.09/13,379.44
  6. Step 6: Final answer
    x = 15,111.91

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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.