Home / 10,116.09-13,955-6,757.83

Finding the Fourth Proportional to 10,116.09, 13,955 and 6,757.83

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Solution

The fourth proportional to 10,116.09, 13,955 and 6,757.83 is: 9,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.09 : 13,955 = 6,757.83 : x
  2. Step 2: Convert to fraction form
    10,116.09/13,955 = 6,757.83/x
  3. Step 3: Cross multiply
    10,116.09x = 13,955 × 6,757.83
  4. Step 4: Simplify right side
    10,116.09x = 94,305,517.65
  5. Step 5: Solve for x
    x = 94,305,517.65/10,116.09
  6. Step 6: Final answer
    x = 9,322.33

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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.