Home / 11,212.42-16,818.64-4,631.38

Finding the Fourth Proportional to 11,212.42, 16,818.64 and 4,631.38

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Solution

The fourth proportional to 11,212.42, 16,818.64 and 4,631.38 is: 6,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.42 : 16,818.64 = 4,631.38 : x
  2. Step 2: Convert to fraction form
    11,212.42/16,818.64 = 4,631.38/x
  3. Step 3: Cross multiply
    11,212.42x = 16,818.64 × 4,631.38
  4. Step 4: Simplify right side
    11,212.42x = 77,893,512.92
  5. Step 5: Solve for x
    x = 77,893,512.92/11,212.42
  6. Step 6: Final answer
    x = 6,947.07

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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.