Home / 17,217.39-25,801.79-7,353.21

Finding the Fourth Proportional to 17,217.39, 25,801.79 and 7,353.21

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Solution

The fourth proportional to 17,217.39, 25,801.79 and 7,353.21 is: 11,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.39 : 25,801.79 = 7,353.21 : x
  2. Step 2: Convert to fraction form
    17,217.39/25,801.79 = 7,353.21/x
  3. Step 3: Cross multiply
    17,217.39x = 25,801.79 × 7,353.21
  4. Step 4: Simplify right side
    17,217.39x = 189,725,943.48
  5. Step 5: Solve for x
    x = 189,725,943.48/17,217.39
  6. Step 6: Final answer
    x = 11,019.44

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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.