Home / 18,679.08-25,768.96-12,297.44

Finding the Fourth Proportional to 18,679.08, 25,768.96 and 12,297.44

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Solution

The fourth proportional to 18,679.08, 25,768.96 and 12,297.44 is: 16,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.08 : 25,768.96 = 12,297.44 : x
  2. Step 2: Convert to fraction form
    18,679.08/25,768.96 = 12,297.44/x
  3. Step 3: Cross multiply
    18,679.08x = 25,768.96 × 12,297.44
  4. Step 4: Simplify right side
    18,679.08x = 316,892,239.46
  5. Step 5: Solve for x
    x = 316,892,239.46/18,679.08
  6. Step 6: Final answer
    x = 16,965.09

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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.