Home / 14,621.96-21,934.33-4,091.98

Finding the Fourth Proportional to 14,621.96, 21,934.33 and 4,091.98

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Solution

The fourth proportional to 14,621.96, 21,934.33 and 4,091.98 is: 6,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.96 : 21,934.33 = 4,091.98 : x
  2. Step 2: Convert to fraction form
    14,621.96/21,934.33 = 4,091.98/x
  3. Step 3: Cross multiply
    14,621.96x = 21,934.33 × 4,091.98
  4. Step 4: Simplify right side
    14,621.96x = 89,754,839.67
  5. Step 5: Solve for x
    x = 89,754,839.67/14,621.96
  6. Step 6: Final answer
    x = 6,138.36

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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.