Home / 21,015.37-29,001.41-11,584.27

Finding the Fourth Proportional to 21,015.37, 29,001.41 and 11,584.27

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Solution

The fourth proportional to 21,015.37, 29,001.41 and 11,584.27 is: 15,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,015.37 : 29,001.41 = 11,584.27 : x
  2. Step 2: Convert to fraction form
    21,015.37/29,001.41 = 11,584.27/x
  3. Step 3: Cross multiply
    21,015.37x = 29,001.41 × 11,584.27
  4. Step 4: Simplify right side
    21,015.37x = 335,960,163.82
  5. Step 5: Solve for x
    x = 335,960,163.82/21,015.37
  6. Step 6: Final answer
    x = 15,986.40

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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.