Home / 9,013.71-13,520.57-3,168.96

Finding the Fourth Proportional to 9,013.71, 13,520.57 and 3,168.96

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Solution

The fourth proportional to 9,013.71, 13,520.57 and 3,168.96 is: 4,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.71 : 13,520.57 = 3,168.96 : x
  2. Step 2: Convert to fraction form
    9,013.71/13,520.57 = 3,168.96/x
  3. Step 3: Cross multiply
    9,013.71x = 13,520.57 × 3,168.96
  4. Step 4: Simplify right side
    9,013.71x = 42,846,129.66
  5. Step 5: Solve for x
    x = 42,846,129.66/9,013.71
  6. Step 6: Final answer
    x = 4,753.44

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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.