Home / 21,406.14-29,540.03-11,846.02

Finding the Fourth Proportional to 21,406.14, 29,540.03 and 11,846.02

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Solution

The fourth proportional to 21,406.14, 29,540.03 and 11,846.02 is: 16,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406.14 : 29,540.03 = 11,846.02 : x
  2. Step 2: Convert to fraction form
    21,406.14/29,540.03 = 11,846.02/x
  3. Step 3: Cross multiply
    21,406.14x = 29,540.03 × 11,846.02
  4. Step 4: Simplify right side
    21,406.14x = 349,931,579.25
  5. Step 5: Solve for x
    x = 349,931,579.25/21,406.14
  6. Step 6: Final answer
    x = 16,347.26

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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.