Home / 13,226.37-18,255.54-8,984.49

Finding the Fourth Proportional to 13,226.37, 18,255.54 and 8,984.49

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Solution

The fourth proportional to 13,226.37, 18,255.54 and 8,984.49 is: 12,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.37 : 18,255.54 = 8,984.49 : x
  2. Step 2: Convert to fraction form
    13,226.37/18,255.54 = 8,984.49/x
  3. Step 3: Cross multiply
    13,226.37x = 18,255.54 × 8,984.49
  4. Step 4: Simplify right side
    13,226.37x = 164,016,716.57
  5. Step 5: Solve for x
    x = 164,016,716.57/13,226.37
  6. Step 6: Final answer
    x = 12,400.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.