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Finding the Fourth Proportional to 17,684.10, 26,522.91 and 7,153.56

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Solution

The fourth proportional to 17,684.10, 26,522.91 and 7,153.56 is: 10,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.10 : 26,522.91 = 7,153.56 : x
  2. Step 2: Convert to fraction form
    17,684.10/26,522.91 = 7,153.56/x
  3. Step 3: Cross multiply
    17,684.10x = 26,522.91 × 7,153.56
  4. Step 4: Simplify right side
    17,684.10x = 189,733,228.06
  5. Step 5: Solve for x
    x = 189,733,228.06/17,684.10
  6. Step 6: Final answer
    x = 10,729.03

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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.