Home / 13,956.42-19,279.46-12,695.25

Finding the Fourth Proportional to 13,956.42, 19,279.46 and 12,695.25

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Solution

The fourth proportional to 13,956.42, 19,279.46 and 12,695.25 is: 17,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.42 : 19,279.46 = 12,695.25 : x
  2. Step 2: Convert to fraction form
    13,956.42/19,279.46 = 12,695.25/x
  3. Step 3: Cross multiply
    13,956.42x = 19,279.46 × 12,695.25
  4. Step 4: Simplify right side
    13,956.42x = 244,757,668.60
  5. Step 5: Solve for x
    x = 244,757,668.60/13,956.42
  6. Step 6: Final answer
    x = 17,537.28

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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.