Home / 21,843.48-32,784.66-10,163.28

Finding the Fourth Proportional to 21,843.48, 32,784.66 and 10,163.28

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Solution

The fourth proportional to 21,843.48, 32,784.66 and 10,163.28 is: 15,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.48 : 32,784.66 = 10,163.28 : x
  2. Step 2: Convert to fraction form
    21,843.48/32,784.66 = 10,163.28/x
  3. Step 3: Cross multiply
    21,843.48x = 32,784.66 × 10,163.28
  4. Step 4: Simplify right side
    21,843.48x = 333,199,679.28
  5. Step 5: Solve for x
    x = 333,199,679.28/21,843.48
  6. Step 6: Final answer
    x = 15,253.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.