Home / 12,549.25-18,827.12-3,664.36

Finding the Fourth Proportional to 12,549.25, 18,827.12 and 3,664.36

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Solution

The fourth proportional to 12,549.25, 18,827.12 and 3,664.36 is: 5,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.25 : 18,827.12 = 3,664.36 : x
  2. Step 2: Convert to fraction form
    12,549.25/18,827.12 = 3,664.36/x
  3. Step 3: Cross multiply
    12,549.25x = 18,827.12 × 3,664.36
  4. Step 4: Simplify right side
    12,549.25x = 68,989,345.44
  5. Step 5: Solve for x
    x = 68,989,345.44/12,549.25
  6. Step 6: Final answer
    x = 5,497.49

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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.