Home / 11,199.11-15,455.71-6,164.28

Finding the Fourth Proportional to 11,199.11, 15,455.71 and 6,164.28

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Solution

The fourth proportional to 11,199.11, 15,455.71 and 6,164.28 is: 8,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.11 : 15,455.71 = 6,164.28 : x
  2. Step 2: Convert to fraction form
    11,199.11/15,455.71 = 6,164.28/x
  3. Step 3: Cross multiply
    11,199.11x = 15,455.71 × 6,164.28
  4. Step 4: Simplify right side
    11,199.11x = 95,273,324.04
  5. Step 5: Solve for x
    x = 95,273,324.04/11,199.11
  6. Step 6: Final answer
    x = 8,507.22

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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.