Home / 13,204.73-18,224.92-8,426.16

Finding the Fourth Proportional to 13,204.73, 18,224.92 and 8,426.16

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Solution

The fourth proportional to 13,204.73, 18,224.92 and 8,426.16 is: 11,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.73 : 18,224.92 = 8,426.16 : x
  2. Step 2: Convert to fraction form
    13,204.73/18,224.92 = 8,426.16/x
  3. Step 3: Cross multiply
    13,204.73x = 18,224.92 × 8,426.16
  4. Step 4: Simplify right side
    13,204.73x = 153,566,102.44
  5. Step 5: Solve for x
    x = 153,566,102.44/13,204.73
  6. Step 6: Final answer
    x = 11,629.63

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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.