Home / 11,422.89-17,134.34-7,526.39

Finding the Fourth Proportional to 11,422.89, 17,134.34 and 7,526.39

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Solution

The fourth proportional to 11,422.89, 17,134.34 and 7,526.39 is: 11,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.89 : 17,134.34 = 7,526.39 : x
  2. Step 2: Convert to fraction form
    11,422.89/17,134.34 = 7,526.39/x
  3. Step 3: Cross multiply
    11,422.89x = 17,134.34 × 7,526.39
  4. Step 4: Simplify right side
    11,422.89x = 128,959,601.93
  5. Step 5: Solve for x
    x = 128,959,601.93/11,422.89
  6. Step 6: Final answer
    x = 11,289.58

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Similar ratio
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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.