Home / 11,409.68-17,115.62-3,089.79

Finding the Fourth Proportional to 11,409.68, 17,115.62 and 3,089.79

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Solution

The fourth proportional to 11,409.68, 17,115.62 and 3,089.79 is: 4,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.68 : 17,115.62 = 3,089.79 : x
  2. Step 2: Convert to fraction form
    11,409.68/17,115.62 = 3,089.79/x
  3. Step 3: Cross multiply
    11,409.68x = 17,115.62 × 3,089.79
  4. Step 4: Simplify right side
    11,409.68x = 52,883,656.07
  5. Step 5: Solve for x
    x = 52,883,656.07/11,409.68
  6. Step 6: Final answer
    x = 4,634.98

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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.