Home / 9,020.21-13,530.32-3,175.48

Finding the Fourth Proportional to 9,020.21, 13,530.32 and 3,175.48

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Solution

The fourth proportional to 9,020.21, 13,530.32 and 3,175.48 is: 4,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.21 : 13,530.32 = 3,175.48 : x
  2. Step 2: Convert to fraction form
    9,020.21/13,530.32 = 3,175.48/x
  3. Step 3: Cross multiply
    9,020.21x = 13,530.32 × 3,175.48
  4. Step 4: Simplify right side
    9,020.21x = 42,965,177.02
  5. Step 5: Solve for x
    x = 42,965,177.02/9,020.21
  6. Step 6: Final answer
    x = 4,763.21

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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.