Home / 20,054.88-30,084.24-8,365.92

Finding the Fourth Proportional to 20,054.88, 30,084.24 and 8,365.92

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Solution

The fourth proportional to 20,054.88, 30,084.24 and 8,365.92 is: 12,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.88 : 30,084.24 = 8,365.92 : x
  2. Step 2: Convert to fraction form
    20,054.88/30,084.24 = 8,365.92/x
  3. Step 3: Cross multiply
    20,054.88x = 30,084.24 × 8,365.92
  4. Step 4: Simplify right side
    20,054.88x = 251,682,345.10
  5. Step 5: Solve for x
    x = 251,682,345.10/20,054.88
  6. Step 6: Final answer
    x = 12,549.68

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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.