Home / 10,176.82-14,039.66-6,397.36

Finding the Fourth Proportional to 10,176.82, 14,039.66 and 6,397.36

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Solution

The fourth proportional to 10,176.82, 14,039.66 and 6,397.36 is: 8,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.82 : 14,039.66 = 6,397.36 : x
  2. Step 2: Convert to fraction form
    10,176.82/14,039.66 = 6,397.36/x
  3. Step 3: Cross multiply
    10,176.82x = 14,039.66 × 6,397.36
  4. Step 4: Simplify right side
    10,176.82x = 89,816,759.30
  5. Step 5: Solve for x
    x = 89,816,759.30/10,176.82
  6. Step 6: Final answer
    x = 8,825.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.