Home / 21,962.52-30,304.26-13,010.40

Finding the Fourth Proportional to 21,962.52, 30,304.26 and 13,010.40

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Solution

The fourth proportional to 21,962.52, 30,304.26 and 13,010.40 is: 17,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.52 : 30,304.26 = 13,010.40 : x
  2. Step 2: Convert to fraction form
    21,962.52/30,304.26 = 13,010.40/x
  3. Step 3: Cross multiply
    21,962.52x = 30,304.26 × 13,010.40
  4. Step 4: Simplify right side
    21,962.52x = 394,270,544.30
  5. Step 5: Solve for x
    x = 394,270,544.30/21,962.52
  6. Step 6: Final answer
    x = 17,951.97

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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.