Home / 14,147.67-21,224.24-5,381.90

Finding the Fourth Proportional to 14,147.67, 21,224.24 and 5,381.90

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Solution

The fourth proportional to 14,147.67, 21,224.24 and 5,381.90 is: 8,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.67 : 21,224.24 = 5,381.90 : x
  2. Step 2: Convert to fraction form
    14,147.67/21,224.24 = 5,381.90/x
  3. Step 3: Cross multiply
    14,147.67x = 21,224.24 × 5,381.90
  4. Step 4: Simplify right side
    14,147.67x = 114,226,604.23
  5. Step 5: Solve for x
    x = 114,226,604.23/14,147.67
  6. Step 6: Final answer
    x = 8,073.88

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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.