Home / 18,192.60-27,280.80-8,334.90

Finding the Fourth Proportional to 18,192.60, 27,280.80 and 8,334.90

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Solution

The fourth proportional to 18,192.60, 27,280.80 and 8,334.90 is: 12,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.60 : 27,280.80 = 8,334.90 : x
  2. Step 2: Convert to fraction form
    18,192.60/27,280.80 = 8,334.90/x
  3. Step 3: Cross multiply
    18,192.60x = 27,280.80 × 8,334.90
  4. Step 4: Simplify right side
    18,192.60x = 227,382,739.92
  5. Step 5: Solve for x
    x = 227,382,739.92/18,192.60
  6. Step 6: Final answer
    x = 12,498.64

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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.