Home / 11,259.54-15,540.66-7,489.26

Finding the Fourth Proportional to 11,259.54, 15,540.66 and 7,489.26

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Solution

The fourth proportional to 11,259.54, 15,540.66 and 7,489.26 is: 10,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.54 : 15,540.66 = 7,489.26 : x
  2. Step 2: Convert to fraction form
    11,259.54/15,540.66 = 7,489.26/x
  3. Step 3: Cross multiply
    11,259.54x = 15,540.66 × 7,489.26
  4. Step 4: Simplify right side
    11,259.54x = 116,388,043.31
  5. Step 5: Solve for x
    x = 116,388,043.31/11,259.54
  6. Step 6: Final answer
    x = 10,336.84

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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.