Home / 9,013.05-13,519.67-3,169.62

Finding the Fourth Proportional to 9,013.05, 13,519.67 and 3,169.62

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Solution

The fourth proportional to 9,013.05, 13,519.67 and 3,169.62 is: 4,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.05 : 13,519.67 = 3,169.62 : x
  2. Step 2: Convert to fraction form
    9,013.05/13,519.67 = 3,169.62/x
  3. Step 3: Cross multiply
    9,013.05x = 13,519.67 × 3,169.62
  4. Step 4: Simplify right side
    9,013.05x = 42,852,200.58
  5. Step 5: Solve for x
    x = 42,852,200.58/9,013.05
  6. Step 6: Final answer
    x = 4,754.46

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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.