Home / 18,212.90-27,323.46-5,563.80

Finding the Fourth Proportional to 18,212.90, 27,323.46 and 5,563.80

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Solution

The fourth proportional to 18,212.90, 27,323.46 and 5,563.80 is: 8,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.90 : 27,323.46 = 5,563.80 : x
  2. Step 2: Convert to fraction form
    18,212.90/27,323.46 = 5,563.80/x
  3. Step 3: Cross multiply
    18,212.90x = 27,323.46 × 5,563.80
  4. Step 4: Simplify right side
    18,212.90x = 152,022,266.75
  5. Step 5: Solve for x
    x = 152,022,266.75/18,212.90
  6. Step 6: Final answer
    x = 8,346.96

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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.