Home / 14,001.63-20,991.99-6,601.86

Finding the Fourth Proportional to 14,001.63, 20,991.99 and 6,601.86

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Solution

The fourth proportional to 14,001.63, 20,991.99 and 6,601.86 is: 9,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.63 : 20,991.99 = 6,601.86 : x
  2. Step 2: Convert to fraction form
    14,001.63/20,991.99 = 6,601.86/x
  3. Step 3: Cross multiply
    14,001.63x = 20,991.99 × 6,601.86
  4. Step 4: Simplify right side
    14,001.63x = 138,586,179.10
  5. Step 5: Solve for x
    x = 138,586,179.10/14,001.63
  6. Step 6: Final answer
    x = 9,897.86

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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.