Home / 17,895.70-26,834.90-6,643.28

Finding the Fourth Proportional to 17,895.70, 26,834.90 and 6,643.28

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Solution

The fourth proportional to 17,895.70, 26,834.90 and 6,643.28 is: 9,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.70 : 26,834.90 = 6,643.28 : x
  2. Step 2: Convert to fraction form
    17,895.70/26,834.90 = 6,643.28/x
  3. Step 3: Cross multiply
    17,895.70x = 26,834.90 × 6,643.28
  4. Step 4: Simplify right side
    17,895.70x = 178,271,754.47
  5. Step 5: Solve for x
    x = 178,271,754.47/17,895.70
  6. Step 6: Final answer
    x = 9,961.71

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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.