Home / 21,773.43-30,052.89-12,347.46

Finding the Fourth Proportional to 21,773.43, 30,052.89 and 12,347.46

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Solution

The fourth proportional to 21,773.43, 30,052.89 and 12,347.46 is: 17,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,773.43 : 30,052.89 = 12,347.46 : x
  2. Step 2: Convert to fraction form
    21,773.43/30,052.89 = 12,347.46/x
  3. Step 3: Cross multiply
    21,773.43x = 30,052.89 × 12,347.46
  4. Step 4: Simplify right side
    21,773.43x = 371,076,857.16
  5. Step 5: Solve for x
    x = 371,076,857.16/21,773.43
  6. Step 6: Final answer
    x = 17,042.65

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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.