Home / 11,097.66-16,638.29-5,247.44

Finding the Fourth Proportional to 11,097.66, 16,638.29 and 5,247.44

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Solution

The fourth proportional to 11,097.66, 16,638.29 and 5,247.44 is: 7,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.66 : 16,638.29 = 5,247.44 : x
  2. Step 2: Convert to fraction form
    11,097.66/16,638.29 = 5,247.44/x
  3. Step 3: Cross multiply
    11,097.66x = 16,638.29 × 5,247.44
  4. Step 4: Simplify right side
    11,097.66x = 87,308,428.48
  5. Step 5: Solve for x
    x = 87,308,428.48/11,097.66
  6. Step 6: Final answer
    x = 7,867.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.