Home / 14,083.17-21,118.53-4,220.61

Finding the Fourth Proportional to 14,083.17, 21,118.53 and 4,220.61

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Solution

The fourth proportional to 14,083.17, 21,118.53 and 4,220.61 is: 6,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.17 : 21,118.53 = 4,220.61 : x
  2. Step 2: Convert to fraction form
    14,083.17/21,118.53 = 4,220.61/x
  3. Step 3: Cross multiply
    14,083.17x = 21,118.53 × 4,220.61
  4. Step 4: Simplify right side
    14,083.17x = 89,133,078.90
  5. Step 5: Solve for x
    x = 89,133,078.90/14,083.17
  6. Step 6: Final answer
    x = 6,329.05

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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.