Home / 13,773.98-20,682.04-12,144.26

Finding the Fourth Proportional to 13,773.98, 20,682.04 and 12,144.26

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Solution

The fourth proportional to 13,773.98, 20,682.04 and 12,144.26 is: 18,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.98 : 20,682.04 = 12,144.26 : x
  2. Step 2: Convert to fraction form
    13,773.98/20,682.04 = 12,144.26/x
  3. Step 3: Cross multiply
    13,773.98x = 20,682.04 × 12,144.26
  4. Step 4: Simplify right side
    13,773.98x = 251,168,071.09
  5. Step 5: Solve for x
    x = 251,168,071.09/13,773.98
  6. Step 6: Final answer
    x = 18,234.97

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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.