Home / 14,459.43-21,701.72-8,231.97

Finding the Fourth Proportional to 14,459.43, 21,701.72 and 8,231.97

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Solution

The fourth proportional to 14,459.43, 21,701.72 and 8,231.97 is: 12,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.43 : 21,701.72 = 8,231.97 : x
  2. Step 2: Convert to fraction form
    14,459.43/21,701.72 = 8,231.97/x
  3. Step 3: Cross multiply
    14,459.43x = 21,701.72 × 8,231.97
  4. Step 4: Simplify right side
    14,459.43x = 178,647,907.99
  5. Step 5: Solve for x
    x = 178,647,907.99/14,459.43
  6. Step 6: Final answer
    x = 12,355.11

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1.5x scale

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.