Home / 14,269.96-21,405-9,343.72

Finding the Fourth Proportional to 14,269.96, 21,405 and 9,343.72

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Solution

The fourth proportional to 14,269.96, 21,405 and 9,343.72 is: 14,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.96 : 21,405 = 9,343.72 : x
  2. Step 2: Convert to fraction form
    14,269.96/21,405 = 9,343.72/x
  3. Step 3: Cross multiply
    14,269.96x = 21,405 × 9,343.72
  4. Step 4: Simplify right side
    14,269.96x = 200,002,326.60
  5. Step 5: Solve for x
    x = 200,002,326.60/14,269.96
  6. Step 6: Final answer
    x = 14,015.62

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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.