Home / 9,020.39-13,512.20-4,326.09

Finding the Fourth Proportional to 9,020.39, 13,512.20 and 4,326.09

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Solution

The fourth proportional to 9,020.39, 13,512.20 and 4,326.09 is: 6,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.39 : 13,512.20 = 4,326.09 : x
  2. Step 2: Convert to fraction form
    9,020.39/13,512.20 = 4,326.09/x
  3. Step 3: Cross multiply
    9,020.39x = 13,512.20 × 4,326.09
  4. Step 4: Simplify right side
    9,020.39x = 58,454,993.30
  5. Step 5: Solve for x
    x = 58,454,993.30/9,020.39
  6. Step 6: Final answer
    x = 6,480.32

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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.