Home / 14,241.32-21,440.99-11,138.12

Finding the Fourth Proportional to 14,241.32, 21,440.99 and 11,138.12

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Solution

The fourth proportional to 14,241.32, 21,440.99 and 11,138.12 is: 16,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.32 : 21,440.99 = 11,138.12 : x
  2. Step 2: Convert to fraction form
    14,241.32/21,440.99 = 11,138.12/x
  3. Step 3: Cross multiply
    14,241.32x = 21,440.99 × 11,138.12
  4. Step 4: Simplify right side
    14,241.32x = 238,812,319.54
  5. Step 5: Solve for x
    x = 238,812,319.54/14,241.32
  6. Step 6: Final answer
    x = 16,768.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.