Home / 19,320.88-28,982.64-6,174.22

Finding the Fourth Proportional to 19,320.88, 28,982.64 and 6,174.22

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Solution

The fourth proportional to 19,320.88, 28,982.64 and 6,174.22 is: 9,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.88 : 28,982.64 = 6,174.22 : x
  2. Step 2: Convert to fraction form
    19,320.88/28,982.64 = 6,174.22/x
  3. Step 3: Cross multiply
    19,320.88x = 28,982.64 × 6,174.22
  4. Step 4: Simplify right side
    19,320.88x = 178,945,195.54
  5. Step 5: Solve for x
    x = 178,945,195.54/19,320.88
  6. Step 6: Final answer
    x = 9,261.75

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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.