Home / 21,914.42-30,241.45-12,354.32

Finding the Fourth Proportional to 21,914.42, 30,241.45 and 12,354.32

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Solution

The fourth proportional to 21,914.42, 30,241.45 and 12,354.32 is: 17,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.42 : 30,241.45 = 12,354.32 : x
  2. Step 2: Convert to fraction form
    21,914.42/30,241.45 = 12,354.32/x
  3. Step 3: Cross multiply
    21,914.42x = 30,241.45 × 12,354.32
  4. Step 4: Simplify right side
    21,914.42x = 373,612,641.61
  5. Step 5: Solve for x
    x = 373,612,641.61/21,914.42
  6. Step 6: Final answer
    x = 17,048.71

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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.