Home / 21,014.66-29,001.58-11,584.10

Finding the Fourth Proportional to 21,014.66, 29,001.58 and 11,584.10

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Solution

The fourth proportional to 21,014.66, 29,001.58 and 11,584.10 is: 15,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.66 : 29,001.58 = 11,584.10 : x
  2. Step 2: Convert to fraction form
    21,014.66/29,001.58 = 11,584.10/x
  3. Step 3: Cross multiply
    21,014.66x = 29,001.58 × 11,584.10
  4. Step 4: Simplify right side
    21,014.66x = 335,957,202.88
  5. Step 5: Solve for x
    x = 335,957,202.88/21,014.66
  6. Step 6: Final answer
    x = 15,986.80

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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.