Home / 14,370.57-21,553.41-3,979.89

Finding the Fourth Proportional to 14,370.57, 21,553.41 and 3,979.89

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Solution

The fourth proportional to 14,370.57, 21,553.41 and 3,979.89 is: 5,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.57 : 21,553.41 = 3,979.89 : x
  2. Step 2: Convert to fraction form
    14,370.57/21,553.41 = 3,979.89/x
  3. Step 3: Cross multiply
    14,370.57x = 21,553.41 × 3,979.89
  4. Step 4: Simplify right side
    14,370.57x = 85,780,200.92
  5. Step 5: Solve for x
    x = 85,780,200.92/14,370.57
  6. Step 6: Final answer
    x = 5,969.16

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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.