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Finding the Fourth Proportional to 17,213.33, 25,830.90 and 7,352.66

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Solution

The fourth proportional to 17,213.33, 25,830.90 and 7,352.66 is: 11,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.33 : 25,830.90 = 7,352.66 : x
  2. Step 2: Convert to fraction form
    17,213.33/25,830.90 = 7,352.66/x
  3. Step 3: Cross multiply
    17,213.33x = 25,830.90 × 7,352.66
  4. Step 4: Simplify right side
    17,213.33x = 189,925,696.04
  5. Step 5: Solve for x
    x = 189,925,696.04/17,213.33
  6. Step 6: Final answer
    x = 11,033.64

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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.