Home / 11,401.19-15,736.26-6,686.99

Finding the Fourth Proportional to 11,401.19, 15,736.26 and 6,686.99

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Solution

The fourth proportional to 11,401.19, 15,736.26 and 6,686.99 is: 9,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.19 : 15,736.26 = 6,686.99 : x
  2. Step 2: Convert to fraction form
    11,401.19/15,736.26 = 6,686.99/x
  3. Step 3: Cross multiply
    11,401.19x = 15,736.26 × 6,686.99
  4. Step 4: Simplify right side
    11,401.19x = 105,228,101.14
  5. Step 5: Solve for x
    x = 105,228,101.14/11,401.19
  6. Step 6: Final answer
    x = 9,229.58

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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.