Home / 11,401.29-15,731.01-6,684.66

Finding the Fourth Proportional to 11,401.29, 15,731.01 and 6,684.66

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Solution

The fourth proportional to 11,401.29, 15,731.01 and 6,684.66 is: 9,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.29 : 15,731.01 = 6,684.66 : x
  2. Step 2: Convert to fraction form
    11,401.29/15,731.01 = 6,684.66/x
  3. Step 3: Cross multiply
    11,401.29x = 15,731.01 × 6,684.66
  4. Step 4: Simplify right side
    11,401.29x = 105,156,453.31
  5. Step 5: Solve for x
    x = 105,156,453.31/11,401.29
  6. Step 6: Final answer
    x = 9,223.21

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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.