Home / 11,239.82-16,870.07-5,697.09

Finding the Fourth Proportional to 11,239.82, 16,870.07 and 5,697.09

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Solution

The fourth proportional to 11,239.82, 16,870.07 and 5,697.09 is: 8,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.82 : 16,870.07 = 5,697.09 : x
  2. Step 2: Convert to fraction form
    11,239.82/16,870.07 = 5,697.09/x
  3. Step 3: Cross multiply
    11,239.82x = 16,870.07 × 5,697.09
  4. Step 4: Simplify right side
    11,239.82x = 96,110,278.61
  5. Step 5: Solve for x
    x = 96,110,278.61/11,239.82
  6. Step 6: Final answer
    x = 8,550.88

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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.