Home / 9,694.10-14,541.15-3,120.80

Finding the Fourth Proportional to 9,694.10, 14,541.15 and 3,120.80

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Solution

The fourth proportional to 9,694.10, 14,541.15 and 3,120.80 is: 4,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,694.10 : 14,541.15 = 3,120.80 : x
  2. Step 2: Convert to fraction form
    9,694.10/14,541.15 = 3,120.80/x
  3. Step 3: Cross multiply
    9,694.10x = 14,541.15 × 3,120.80
  4. Step 4: Simplify right side
    9,694.10x = 45,380,020.92
  5. Step 5: Solve for x
    x = 45,380,020.92/9,694.10
  6. Step 6: Final answer
    x = 4,681.20

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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.