Home / 11,133.08-16,697.90-4,891.72

Finding the Fourth Proportional to 11,133.08, 16,697.90 and 4,891.72

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Solution

The fourth proportional to 11,133.08, 16,697.90 and 4,891.72 is: 7,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.08 : 16,697.90 = 4,891.72 : x
  2. Step 2: Convert to fraction form
    11,133.08/16,697.90 = 4,891.72/x
  3. Step 3: Cross multiply
    11,133.08x = 16,697.90 × 4,891.72
  4. Step 4: Simplify right side
    11,133.08x = 81,681,451.39
  5. Step 5: Solve for x
    x = 81,681,451.39/11,133.08
  6. Step 6: Final answer
    x = 7,336.82

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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.