Home / 12,446.12-18,669.12-3,681.08

Finding the Fourth Proportional to 12,446.12, 18,669.12 and 3,681.08

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Solution

The fourth proportional to 12,446.12, 18,669.12 and 3,681.08 is: 5,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.12 : 18,669.12 = 3,681.08 : x
  2. Step 2: Convert to fraction form
    12,446.12/18,669.12 = 3,681.08/x
  3. Step 3: Cross multiply
    12,446.12x = 18,669.12 × 3,681.08
  4. Step 4: Simplify right side
    12,446.12x = 68,722,524.25
  5. Step 5: Solve for x
    x = 68,722,524.25/12,446.12
  6. Step 6: Final answer
    x = 5,521.60

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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.