Home / 11,113.88-16,673.42-3,216.08

Finding the Fourth Proportional to 11,113.88, 16,673.42 and 3,216.08

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Solution

The fourth proportional to 11,113.88, 16,673.42 and 3,216.08 is: 4,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.88 : 16,673.42 = 3,216.08 : x
  2. Step 2: Convert to fraction form
    11,113.88/16,673.42 = 3,216.08/x
  3. Step 3: Cross multiply
    11,113.88x = 16,673.42 × 3,216.08
  4. Step 4: Simplify right side
    11,113.88x = 53,623,036.51
  5. Step 5: Solve for x
    x = 53,623,036.51/11,113.88
  6. Step 6: Final answer
    x = 4,824.87

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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.