Home / 17,138.49-25,697.35-11,208.21

Finding the Fourth Proportional to 17,138.49, 25,697.35 and 11,208.21

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Solution

The fourth proportional to 17,138.49, 25,697.35 and 11,208.21 is: 16,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.49 : 25,697.35 = 11,208.21 : x
  2. Step 2: Convert to fraction form
    17,138.49/25,697.35 = 11,208.21/x
  3. Step 3: Cross multiply
    17,138.49x = 25,697.35 × 11,208.21
  4. Step 4: Simplify right side
    17,138.49x = 288,021,239.20
  5. Step 5: Solve for x
    x = 288,021,239.20/17,138.49
  6. Step 6: Final answer
    x = 16,805.53

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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.