Home / 14,255.38-21,381.03-4,895.22

Finding the Fourth Proportional to 14,255.38, 21,381.03 and 4,895.22

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Solution

The fourth proportional to 14,255.38, 21,381.03 and 4,895.22 is: 7,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.38 : 21,381.03 = 4,895.22 : x
  2. Step 2: Convert to fraction form
    14,255.38/21,381.03 = 4,895.22/x
  3. Step 3: Cross multiply
    14,255.38x = 21,381.03 × 4,895.22
  4. Step 4: Simplify right side
    14,255.38x = 104,664,845.68
  5. Step 5: Solve for x
    x = 104,664,845.68/14,255.38
  6. Step 6: Final answer
    x = 7,342.13

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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.