Home / 9,439.80-14,150.70-3,515.10

Finding the Fourth Proportional to 9,439.80, 14,150.70 and 3,515.10

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Solution

The fourth proportional to 9,439.80, 14,150.70 and 3,515.10 is: 5,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.80 : 14,150.70 = 3,515.10 : x
  2. Step 2: Convert to fraction form
    9,439.80/14,150.70 = 3,515.10/x
  3. Step 3: Cross multiply
    9,439.80x = 14,150.70 × 3,515.10
  4. Step 4: Simplify right side
    9,439.80x = 49,741,125.57
  5. Step 5: Solve for x
    x = 49,741,125.57/9,439.80
  6. Step 6: Final answer
    x = 5,269.30

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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.