Home / 17,071.25-25,588.36-8,739.83

Finding the Fourth Proportional to 17,071.25, 25,588.36 and 8,739.83

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Solution

The fourth proportional to 17,071.25, 25,588.36 and 8,739.83 is: 13,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.25 : 25,588.36 = 8,739.83 : x
  2. Step 2: Convert to fraction form
    17,071.25/25,588.36 = 8,739.83/x
  3. Step 3: Cross multiply
    17,071.25x = 25,588.36 × 8,739.83
  4. Step 4: Simplify right side
    17,071.25x = 223,637,872.68
  5. Step 5: Solve for x
    x = 223,637,872.68/17,071.25
  6. Step 6: Final answer
    x = 13,100.27

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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.