Home / 11,145.25-16,719.27-4,124.08

Finding the Fourth Proportional to 11,145.25, 16,719.27 and 4,124.08

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Solution

The fourth proportional to 11,145.25, 16,719.27 and 4,124.08 is: 6,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.25 : 16,719.27 = 4,124.08 : x
  2. Step 2: Convert to fraction form
    11,145.25/16,719.27 = 4,124.08/x
  3. Step 3: Cross multiply
    11,145.25x = 16,719.27 × 4,124.08
  4. Step 4: Simplify right side
    11,145.25x = 68,951,607.02
  5. Step 5: Solve for x
    x = 68,951,607.02/11,145.25
  6. Step 6: Final answer
    x = 6,186.64

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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.