Home / 11,239.89-16,859.79-4,998.39

Finding the Fourth Proportional to 11,239.89, 16,859.79 and 4,998.39

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Solution

The fourth proportional to 11,239.89, 16,859.79 and 4,998.39 is: 7,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.89 : 16,859.79 = 4,998.39 : x
  2. Step 2: Convert to fraction form
    11,239.89/16,859.79 = 4,998.39/x
  3. Step 3: Cross multiply
    11,239.89x = 16,859.79 × 4,998.39
  4. Step 4: Simplify right side
    11,239.89x = 84,271,805.74
  5. Step 5: Solve for x
    x = 84,271,805.74/11,239.89
  6. Step 6: Final answer
    x = 7,497.56

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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.