Home / 11,156.98-16,717.70-5,891.80

Finding the Fourth Proportional to 11,156.98, 16,717.70 and 5,891.80

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Solution

The fourth proportional to 11,156.98, 16,717.70 and 5,891.80 is: 8,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.98 : 16,717.70 = 5,891.80 : x
  2. Step 2: Convert to fraction form
    11,156.98/16,717.70 = 5,891.80/x
  3. Step 3: Cross multiply
    11,156.98x = 16,717.70 × 5,891.80
  4. Step 4: Simplify right side
    11,156.98x = 98,497,344.86
  5. Step 5: Solve for x
    x = 98,497,344.86/11,156.98
  6. Step 6: Final answer
    x = 8,828.32

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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.