Home / 14,516.30-21,773.97-4,128.05

Finding the Fourth Proportional to 14,516.30, 21,773.97 and 4,128.05

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Solution

The fourth proportional to 14,516.30, 21,773.97 and 4,128.05 is: 6,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.30 : 21,773.97 = 4,128.05 : x
  2. Step 2: Convert to fraction form
    14,516.30/21,773.97 = 4,128.05/x
  3. Step 3: Cross multiply
    14,516.30x = 21,773.97 × 4,128.05
  4. Step 4: Simplify right side
    14,516.30x = 89,883,927.99
  5. Step 5: Solve for x
    x = 89,883,927.99/14,516.30
  6. Step 6: Final answer
    x = 6,191.93

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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.