Home / 21,614.63-29,828.42-12,183.19

Finding the Fourth Proportional to 21,614.63, 29,828.42 and 12,183.19

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Solution

The fourth proportional to 21,614.63, 29,828.42 and 12,183.19 is: 16,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.63 : 29,828.42 = 12,183.19 : x
  2. Step 2: Convert to fraction form
    21,614.63/29,828.42 = 12,183.19/x
  3. Step 3: Cross multiply
    21,614.63x = 29,828.42 × 12,183.19
  4. Step 4: Simplify right side
    21,614.63x = 363,405,308.26
  5. Step 5: Solve for x
    x = 363,405,308.26/21,614.63
  6. Step 6: Final answer
    x = 16,812.93

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1.5x scale

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.