Home / 11,164.22-15,401.23-6,687.08

Finding the Fourth Proportional to 11,164.22, 15,401.23 and 6,687.08

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Solution

The fourth proportional to 11,164.22, 15,401.23 and 6,687.08 is: 9,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.22 : 15,401.23 = 6,687.08 : x
  2. Step 2: Convert to fraction form
    11,164.22/15,401.23 = 6,687.08/x
  3. Step 3: Cross multiply
    11,164.22x = 15,401.23 × 6,687.08
  4. Step 4: Simplify right side
    11,164.22x = 102,989,257.11
  5. Step 5: Solve for x
    x = 102,989,257.11/11,164.22
  6. Step 6: Final answer
    x = 9,224.94

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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.