Home / 11,242.08-15,513.39-6,767.28

Finding the Fourth Proportional to 11,242.08, 15,513.39 and 6,767.28

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Solution

The fourth proportional to 11,242.08, 15,513.39 and 6,767.28 is: 9,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.08 : 15,513.39 = 6,767.28 : x
  2. Step 2: Convert to fraction form
    11,242.08/15,513.39 = 6,767.28/x
  3. Step 3: Cross multiply
    11,242.08x = 15,513.39 × 6,767.28
  4. Step 4: Simplify right side
    11,242.08x = 104,983,453.88
  5. Step 5: Solve for x
    x = 104,983,453.88/11,242.08
  6. Step 6: Final answer
    x = 9,338.44

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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.