Home / 14,221.09-21,327-4,730.86

Finding the Fourth Proportional to 14,221.09, 21,327 and 4,730.86

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Solution

The fourth proportional to 14,221.09, 21,327 and 4,730.86 is: 7,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.09 : 21,327 = 4,730.86 : x
  2. Step 2: Convert to fraction form
    14,221.09/21,327 = 4,730.86/x
  3. Step 3: Cross multiply
    14,221.09x = 21,327 × 4,730.86
  4. Step 4: Simplify right side
    14,221.09x = 100,895,051.22
  5. Step 5: Solve for x
    x = 100,895,051.22/14,221.09
  6. Step 6: Final answer
    x = 7,094.75

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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.