Home / 11,401.97-15,731.94-6,685.34

Finding the Fourth Proportional to 11,401.97, 15,731.94 and 6,685.34

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Solution

The fourth proportional to 11,401.97, 15,731.94 and 6,685.34 is: 9,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.97 : 15,731.94 = 6,685.34 : x
  2. Step 2: Convert to fraction form
    11,401.97/15,731.94 = 6,685.34/x
  3. Step 3: Cross multiply
    11,401.97x = 15,731.94 × 6,685.34
  4. Step 4: Simplify right side
    11,401.97x = 105,173,289.10
  5. Step 5: Solve for x
    x = 105,173,289.10/11,401.97
  6. Step 6: Final answer
    x = 9,224.14

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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.