Home / 17,119.40-25,683.09-5,272.70

Finding the Fourth Proportional to 17,119.40, 25,683.09 and 5,272.70

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Solution

The fourth proportional to 17,119.40, 25,683.09 and 5,272.70 is: 7,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.40 : 25,683.09 = 5,272.70 : x
  2. Step 2: Convert to fraction form
    17,119.40/25,683.09 = 5,272.70/x
  3. Step 3: Cross multiply
    17,119.40x = 25,683.09 × 5,272.70
  4. Step 4: Simplify right side
    17,119.40x = 135,419,228.64
  5. Step 5: Solve for x
    x = 135,419,228.64/17,119.40
  6. Step 6: Final answer
    x = 7,910.28

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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.