Home / 14,180.43-21,269.87-4,318.89

Finding the Fourth Proportional to 14,180.43, 21,269.87 and 4,318.89

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Solution

The fourth proportional to 14,180.43, 21,269.87 and 4,318.89 is: 6,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.43 : 21,269.87 = 4,318.89 : x
  2. Step 2: Convert to fraction form
    14,180.43/21,269.87 = 4,318.89/x
  3. Step 3: Cross multiply
    14,180.43x = 21,269.87 × 4,318.89
  4. Step 4: Simplify right side
    14,180.43x = 91,862,228.84
  5. Step 5: Solve for x
    x = 91,862,228.84/14,180.43
  6. Step 6: Final answer
    x = 6,478.10

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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.