Home / 12,571.74-18,857.61-4,786.02

Finding the Fourth Proportional to 12,571.74, 18,857.61 and 4,786.02

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Solution

The fourth proportional to 12,571.74, 18,857.61 and 4,786.02 is: 7,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.74 : 18,857.61 = 4,786.02 : x
  2. Step 2: Convert to fraction form
    12,571.74/18,857.61 = 4,786.02/x
  3. Step 3: Cross multiply
    12,571.74x = 18,857.61 × 4,786.02
  4. Step 4: Simplify right side
    12,571.74x = 90,252,898.61
  5. Step 5: Solve for x
    x = 90,252,898.61/12,571.74
  6. Step 6: Final answer
    x = 7,179.03

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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.