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Finding the Fourth Proportional to 17,106.46, 25,640.24 and 7,239.58

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Solution

The fourth proportional to 17,106.46, 25,640.24 and 7,239.58 is: 10,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.46 : 25,640.24 = 7,239.58 : x
  2. Step 2: Convert to fraction form
    17,106.46/25,640.24 = 7,239.58/x
  3. Step 3: Cross multiply
    17,106.46x = 25,640.24 × 7,239.58
  4. Step 4: Simplify right side
    17,106.46x = 185,624,568.70
  5. Step 5: Solve for x
    x = 185,624,568.70/17,106.46
  6. Step 6: Final answer
    x = 10,851.14

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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.