Home / 14,238.12-21,327.42-11,449.71

Finding the Fourth Proportional to 14,238.12, 21,327.42 and 11,449.71

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Solution

The fourth proportional to 14,238.12, 21,327.42 and 11,449.71 is: 17,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.12 : 21,327.42 = 11,449.71 : x
  2. Step 2: Convert to fraction form
    14,238.12/21,327.42 = 11,449.71/x
  3. Step 3: Cross multiply
    14,238.12x = 21,327.42 × 11,449.71
  4. Step 4: Simplify right side
    14,238.12x = 244,192,774.05
  5. Step 5: Solve for x
    x = 244,192,774.05/14,238.12
  6. Step 6: Final answer
    x = 17,150.63

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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.