Home / 11,176.17-16,755.35-7,231.47

Finding the Fourth Proportional to 11,176.17, 16,755.35 and 7,231.47

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Solution

The fourth proportional to 11,176.17, 16,755.35 and 7,231.47 is: 10,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.17 : 16,755.35 = 7,231.47 : x
  2. Step 2: Convert to fraction form
    11,176.17/16,755.35 = 7,231.47/x
  3. Step 3: Cross multiply
    11,176.17x = 16,755.35 × 7,231.47
  4. Step 4: Simplify right side
    11,176.17x = 121,165,774.71
  5. Step 5: Solve for x
    x = 121,165,774.71/11,176.17
  6. Step 6: Final answer
    x = 10,841.44

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1.5x scale

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.