Home / 12,133.56-18,200.34-3,368.55

Finding the Fourth Proportional to 12,133.56, 18,200.34 and 3,368.55

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Solution

The fourth proportional to 12,133.56, 18,200.34 and 3,368.55 is: 5,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.56 : 18,200.34 = 3,368.55 : x
  2. Step 2: Convert to fraction form
    12,133.56/18,200.34 = 3,368.55/x
  3. Step 3: Cross multiply
    12,133.56x = 18,200.34 × 3,368.55
  4. Step 4: Simplify right side
    12,133.56x = 61,308,755.31
  5. Step 5: Solve for x
    x = 61,308,755.31/12,133.56
  6. Step 6: Final answer
    x = 5,052.83

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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.