Home / 15,825.56-21,843.60-9,853.73

Finding the Fourth Proportional to 15,825.56, 21,843.60 and 9,853.73

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Solution

The fourth proportional to 15,825.56, 21,843.60 and 9,853.73 is: 13,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.56 : 21,843.60 = 9,853.73 : x
  2. Step 2: Convert to fraction form
    15,825.56/21,843.60 = 9,853.73/x
  3. Step 3: Cross multiply
    15,825.56x = 21,843.60 × 9,853.73
  4. Step 4: Simplify right side
    15,825.56x = 215,240,936.63
  5. Step 5: Solve for x
    x = 215,240,936.63/15,825.56
  6. Step 6: Final answer
    x = 13,600.84

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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.