Home / 11,238.16-15,503.64-6,759.28

Finding the Fourth Proportional to 11,238.16, 15,503.64 and 6,759.28

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Solution

The fourth proportional to 11,238.16, 15,503.64 and 6,759.28 is: 9,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.16 : 15,503.64 = 6,759.28 : x
  2. Step 2: Convert to fraction form
    11,238.16/15,503.64 = 6,759.28/x
  3. Step 3: Cross multiply
    11,238.16x = 15,503.64 × 6,759.28
  4. Step 4: Simplify right side
    11,238.16x = 104,793,443.78
  5. Step 5: Solve for x
    x = 104,793,443.78/11,238.16
  6. Step 6: Final answer
    x = 9,324.79

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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.