Home / 17,209.72-25,814.70-6,821.44

Finding the Fourth Proportional to 17,209.72, 25,814.70 and 6,821.44

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Solution

The fourth proportional to 17,209.72, 25,814.70 and 6,821.44 is: 10,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.72 : 25,814.70 = 6,821.44 : x
  2. Step 2: Convert to fraction form
    17,209.72/25,814.70 = 6,821.44/x
  3. Step 3: Cross multiply
    17,209.72x = 25,814.70 × 6,821.44
  4. Step 4: Simplify right side
    17,209.72x = 176,093,427.17
  5. Step 5: Solve for x
    x = 176,093,427.17/17,209.72
  6. Step 6: Final answer
    x = 10,232.21

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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.