Home / 14,249.02-21,375.56-4,389.12

Finding the Fourth Proportional to 14,249.02, 21,375.56 and 4,389.12

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Solution

The fourth proportional to 14,249.02, 21,375.56 and 4,389.12 is: 6,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.02 : 21,375.56 = 4,389.12 : x
  2. Step 2: Convert to fraction form
    14,249.02/21,375.56 = 4,389.12/x
  3. Step 3: Cross multiply
    14,249.02x = 21,375.56 × 4,389.12
  4. Step 4: Simplify right side
    14,249.02x = 93,819,897.91
  5. Step 5: Solve for x
    x = 93,819,897.91/14,249.02
  6. Step 6: Final answer
    x = 6,584.31

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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.