Home / 14,127.20-21,183.96-4,264.64

Finding the Fourth Proportional to 14,127.20, 21,183.96 and 4,264.64

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Solution

The fourth proportional to 14,127.20, 21,183.96 and 4,264.64 is: 6,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.20 : 21,183.96 = 4,264.64 : x
  2. Step 2: Convert to fraction form
    14,127.20/21,183.96 = 4,264.64/x
  3. Step 3: Cross multiply
    14,127.20x = 21,183.96 × 4,264.64
  4. Step 4: Simplify right side
    14,127.20x = 90,341,963.17
  5. Step 5: Solve for x
    x = 90,341,963.17/14,127.20
  6. Step 6: Final answer
    x = 6,394.90

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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.