Home / 13,956.98-20,911.07-11,631.92

Finding the Fourth Proportional to 13,956.98, 20,911.07 and 11,631.92

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Solution

The fourth proportional to 13,956.98, 20,911.07 and 11,631.92 is: 17,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.98 : 20,911.07 = 11,631.92 : x
  2. Step 2: Convert to fraction form
    13,956.98/20,911.07 = 11,631.92/x
  3. Step 3: Cross multiply
    13,956.98x = 20,911.07 × 11,631.92
  4. Step 4: Simplify right side
    13,956.98x = 243,235,730.64
  5. Step 5: Solve for x
    x = 243,235,730.64/13,956.98
  6. Step 6: Final answer
    x = 17,427.54

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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.