Home / 11,476.49-15,838.32-6,999

Finding the Fourth Proportional to 11,476.49, 15,838.32 and 6,999

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Solution

The fourth proportional to 11,476.49, 15,838.32 and 6,999 is: 9,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.49 : 15,838.32 = 6,999 : x
  2. Step 2: Convert to fraction form
    11,476.49/15,838.32 = 6,999/x
  3. Step 3: Cross multiply
    11,476.49x = 15,838.32 × 6,999
  4. Step 4: Simplify right side
    11,476.49x = 110,852,401.68
  5. Step 5: Solve for x
    x = 110,852,401.68/11,476.49
  6. Step 6: Final answer
    x = 9,659.09

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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.