Home / 14,256.78-21,379.68-4,895.06

Finding the Fourth Proportional to 14,256.78, 21,379.68 and 4,895.06

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Solution

The fourth proportional to 14,256.78, 21,379.68 and 4,895.06 is: 7,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.78 : 21,379.68 = 4,895.06 : x
  2. Step 2: Convert to fraction form
    14,256.78/21,379.68 = 4,895.06/x
  3. Step 3: Cross multiply
    14,256.78x = 21,379.68 × 4,895.06
  4. Step 4: Simplify right side
    14,256.78x = 104,654,816.38
  5. Step 5: Solve for x
    x = 104,654,816.38/14,256.78
  6. Step 6: Final answer
    x = 7,340.71

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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.