Home / 26,131.19-39,194.12-7,157.51

Finding the Fourth Proportional to 26,131.19, 39,194.12 and 7,157.51

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Solution

The fourth proportional to 26,131.19, 39,194.12 and 7,157.51 is: 10,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.19 : 39,194.12 = 7,157.51 : x
  2. Step 2: Convert to fraction form
    26,131.19/39,194.12 = 7,157.51/x
  3. Step 3: Cross multiply
    26,131.19x = 39,194.12 × 7,157.51
  4. Step 4: Simplify right side
    26,131.19x = 280,532,305.84
  5. Step 5: Solve for x
    x = 280,532,305.84/26,131.19
  6. Step 6: Final answer
    x = 10,735.54

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Double scale
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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.