Home / 11,117.56-16,682.90-4,102.52

Finding the Fourth Proportional to 11,117.56, 16,682.90 and 4,102.52

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Solution

The fourth proportional to 11,117.56, 16,682.90 and 4,102.52 is: 6,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.56 : 16,682.90 = 4,102.52 : x
  2. Step 2: Convert to fraction form
    11,117.56/16,682.90 = 4,102.52/x
  3. Step 3: Cross multiply
    11,117.56x = 16,682.90 × 4,102.52
  4. Step 4: Simplify right side
    11,117.56x = 68,441,930.91
  5. Step 5: Solve for x
    x = 68,441,930.91/11,117.56
  6. Step 6: Final answer
    x = 6,156.20

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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.