Home / 14,003.22-20,997.69-4,639.86

Finding the Fourth Proportional to 14,003.22, 20,997.69 and 4,639.86

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Solution

The fourth proportional to 14,003.22, 20,997.69 and 4,639.86 is: 6,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.22 : 20,997.69 = 4,639.86 : x
  2. Step 2: Convert to fraction form
    14,003.22/20,997.69 = 4,639.86/x
  3. Step 3: Cross multiply
    14,003.22x = 20,997.69 × 4,639.86
  4. Step 4: Simplify right side
    14,003.22x = 97,426,341.92
  5. Step 5: Solve for x
    x = 97,426,341.92/14,003.22
  6. Step 6: Final answer
    x = 6,957.42

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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.