Home / 21,642.44-29,874.52-12,697.46

Finding the Fourth Proportional to 21,642.44, 29,874.52 and 12,697.46

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Solution

The fourth proportional to 21,642.44, 29,874.52 and 12,697.46 is: 17,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.44 : 29,874.52 = 12,697.46 : x
  2. Step 2: Convert to fraction form
    21,642.44/29,874.52 = 12,697.46/x
  3. Step 3: Cross multiply
    21,642.44x = 29,874.52 × 12,697.46
  4. Step 4: Simplify right side
    21,642.44x = 379,330,522.72
  5. Step 5: Solve for x
    x = 379,330,522.72/21,642.44
  6. Step 6: Final answer
    x = 17,527.16

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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.