Home / 11,554.97-15,946.07-6,778.34

Finding the Fourth Proportional to 11,554.97, 15,946.07 and 6,778.34

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Solution

The fourth proportional to 11,554.97, 15,946.07 and 6,778.34 is: 9,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.97 : 15,946.07 = 6,778.34 : x
  2. Step 2: Convert to fraction form
    11,554.97/15,946.07 = 6,778.34/x
  3. Step 3: Cross multiply
    11,554.97x = 15,946.07 × 6,778.34
  4. Step 4: Simplify right side
    11,554.97x = 108,087,770.50
  5. Step 5: Solve for x
    x = 108,087,770.50/11,554.97
  6. Step 6: Final answer
    x = 9,354.23

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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.