Home / 7,999.29-11,969.91-6,963.17

Finding the Fourth Proportional to 7,999.29, 11,969.91 and 6,963.17

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Solution

The fourth proportional to 7,999.29, 11,969.91 and 6,963.17 is: 10,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.29 : 11,969.91 = 6,963.17 : x
  2. Step 2: Convert to fraction form
    7,999.29/11,969.91 = 6,963.17/x
  3. Step 3: Cross multiply
    7,999.29x = 11,969.91 × 6,963.17
  4. Step 4: Simplify right side
    7,999.29x = 83,348,458.37
  5. Step 5: Solve for x
    x = 83,348,458.37/7,999.29
  6. Step 6: Final answer
    x = 10,419.48

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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.