Home / 12,827.62-17,704.32-9,480.14

Finding the Fourth Proportional to 12,827.62, 17,704.32 and 9,480.14

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Solution

The fourth proportional to 12,827.62, 17,704.32 and 9,480.14 is: 13,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.62 : 17,704.32 = 9,480.14 : x
  2. Step 2: Convert to fraction form
    12,827.62/17,704.32 = 9,480.14/x
  3. Step 3: Cross multiply
    12,827.62x = 17,704.32 × 9,480.14
  4. Step 4: Simplify right side
    12,827.62x = 167,839,427.85
  5. Step 5: Solve for x
    x = 167,839,427.85/12,827.62
  6. Step 6: Final answer
    x = 13,084.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.