Home / 17,515.21-26,286.82-9,200.13

Finding the Fourth Proportional to 17,515.21, 26,286.82 and 9,200.13

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Solution

The fourth proportional to 17,515.21, 26,286.82 and 9,200.13 is: 13,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.21 : 26,286.82 = 9,200.13 : x
  2. Step 2: Convert to fraction form
    17,515.21/26,286.82 = 9,200.13/x
  3. Step 3: Cross multiply
    17,515.21x = 26,286.82 × 9,200.13
  4. Step 4: Simplify right side
    17,515.21x = 241,841,983.85
  5. Step 5: Solve for x
    x = 241,841,983.85/17,515.21
  6. Step 6: Final answer
    x = 13,807.55

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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.