Home / 11,514.48-17,232.84-7,135.62

Finding the Fourth Proportional to 11,514.48, 17,232.84 and 7,135.62

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Solution

The fourth proportional to 11,514.48, 17,232.84 and 7,135.62 is: 10,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.48 : 17,232.84 = 7,135.62 : x
  2. Step 2: Convert to fraction form
    11,514.48/17,232.84 = 7,135.62/x
  3. Step 3: Cross multiply
    11,514.48x = 17,232.84 × 7,135.62
  4. Step 4: Simplify right side
    11,514.48x = 122,966,997.76
  5. Step 5: Solve for x
    x = 122,966,997.76/11,514.48
  6. Step 6: Final answer
    x = 10,679.34

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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.