Home / 17,122.38-25,683.57-16,830.78

Finding the Fourth Proportional to 17,122.38, 25,683.57 and 16,830.78

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Solution

The fourth proportional to 17,122.38, 25,683.57 and 16,830.78 is: 25,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.38 : 25,683.57 = 16,830.78 : x
  2. Step 2: Convert to fraction form
    17,122.38/25,683.57 = 16,830.78/x
  3. Step 3: Cross multiply
    17,122.38x = 25,683.57 × 16,830.78
  4. Step 4: Simplify right side
    17,122.38x = 432,274,516.28
  5. Step 5: Solve for x
    x = 432,274,516.28/17,122.38
  6. Step 6: Final answer
    x = 25,246.17

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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.