Home / 9,019.80-13,529.70-3,175.65

Finding the Fourth Proportional to 9,019.80, 13,529.70 and 3,175.65

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Solution

The fourth proportional to 9,019.80, 13,529.70 and 3,175.65 is: 4,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.80 : 13,529.70 = 3,175.65 : x
  2. Step 2: Convert to fraction form
    9,019.80/13,529.70 = 3,175.65/x
  3. Step 3: Cross multiply
    9,019.80x = 13,529.70 × 3,175.65
  4. Step 4: Simplify right side
    9,019.80x = 42,965,591.81
  5. Step 5: Solve for x
    x = 42,965,591.81/9,019.80
  6. Step 6: Final answer
    x = 4,763.48

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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.