Home / 9,129.15-13,685.22-4,202.73

Finding the Fourth Proportional to 9,129.15, 13,685.22 and 4,202.73

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Solution

The fourth proportional to 9,129.15, 13,685.22 and 4,202.73 is: 6,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.15 : 13,685.22 = 4,202.73 : x
  2. Step 2: Convert to fraction form
    9,129.15/13,685.22 = 4,202.73/x
  3. Step 3: Cross multiply
    9,129.15x = 13,685.22 × 4,202.73
  4. Step 4: Simplify right side
    9,129.15x = 57,515,284.65
  5. Step 5: Solve for x
    x = 57,515,284.65/9,129.15
  6. Step 6: Final answer
    x = 6,300.18

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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.