Home / 11,132.52-16,705.26-4,117.38

Finding the Fourth Proportional to 11,132.52, 16,705.26 and 4,117.38

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Solution

The fourth proportional to 11,132.52, 16,705.26 and 4,117.38 is: 6,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.52 : 16,705.26 = 4,117.38 : x
  2. Step 2: Convert to fraction form
    11,132.52/16,705.26 = 4,117.38/x
  3. Step 3: Cross multiply
    11,132.52x = 16,705.26 × 4,117.38
  4. Step 4: Simplify right side
    11,132.52x = 68,781,903.42
  5. Step 5: Solve for x
    x = 68,781,903.42/11,132.52
  6. Step 6: Final answer
    x = 6,178.47

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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.