Home / 11,281.02-16,920.17-2,961.68

Finding the Fourth Proportional to 11,281.02, 16,920.17 and 2,961.68

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Solution

The fourth proportional to 11,281.02, 16,920.17 and 2,961.68 is: 4,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.02 : 16,920.17 = 2,961.68 : x
  2. Step 2: Convert to fraction form
    11,281.02/16,920.17 = 2,961.68/x
  3. Step 3: Cross multiply
    11,281.02x = 16,920.17 × 2,961.68
  4. Step 4: Simplify right side
    11,281.02x = 50,112,129.09
  5. Step 5: Solve for x
    x = 50,112,129.09/11,281.02
  6. Step 6: Final answer
    x = 4,442.16

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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.