Home / 10,665.11-16,000.02-4,091.31

Finding the Fourth Proportional to 10,665.11, 16,000.02 and 4,091.31

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Solution

The fourth proportional to 10,665.11, 16,000.02 and 4,091.31 is: 6,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.11 : 16,000.02 = 4,091.31 : x
  2. Step 2: Convert to fraction form
    10,665.11/16,000.02 = 4,091.31/x
  3. Step 3: Cross multiply
    10,665.11x = 16,000.02 × 4,091.31
  4. Step 4: Simplify right side
    10,665.11x = 65,460,961.83
  5. Step 5: Solve for x
    x = 65,460,961.83/10,665.11
  6. Step 6: Final answer
    x = 6,137.86

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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.