Home / 9,013.50-13,520.25-3,169.44

Finding the Fourth Proportional to 9,013.50, 13,520.25 and 3,169.44

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Solution

The fourth proportional to 9,013.50, 13,520.25 and 3,169.44 is: 4,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.50 : 13,520.25 = 3,169.44 : x
  2. Step 2: Convert to fraction form
    9,013.50/13,520.25 = 3,169.44/x
  3. Step 3: Cross multiply
    9,013.50x = 13,520.25 × 3,169.44
  4. Step 4: Simplify right side
    9,013.50x = 42,851,621.16
  5. Step 5: Solve for x
    x = 42,851,621.16/9,013.50
  6. Step 6: Final answer
    x = 4,754.16

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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.