Home / 15,604.70-21,522.39-9,310.46

Finding the Fourth Proportional to 15,604.70, 21,522.39 and 9,310.46

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Solution

The fourth proportional to 15,604.70, 21,522.39 and 9,310.46 is: 12,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.70 : 21,522.39 = 9,310.46 : x
  2. Step 2: Convert to fraction form
    15,604.70/21,522.39 = 9,310.46/x
  3. Step 3: Cross multiply
    15,604.70x = 21,522.39 × 9,310.46
  4. Step 4: Simplify right side
    15,604.70x = 200,383,351.20
  5. Step 5: Solve for x
    x = 200,383,351.20/15,604.70
  6. Step 6: Final answer
    x = 12,841.22

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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.