Home / 9,971.05-13,764.96-6,800.80

Finding the Fourth Proportional to 9,971.05, 13,764.96 and 6,800.80

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Solution

The fourth proportional to 9,971.05, 13,764.96 and 6,800.80 is: 9,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.05 : 13,764.96 = 6,800.80 : x
  2. Step 2: Convert to fraction form
    9,971.05/13,764.96 = 6,800.80/x
  3. Step 3: Cross multiply
    9,971.05x = 13,764.96 × 6,800.80
  4. Step 4: Simplify right side
    9,971.05x = 93,612,739.97
  5. Step 5: Solve for x
    x = 93,612,739.97/9,971.05
  6. Step 6: Final answer
    x = 9,388.45

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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.