Home / 21,016.08-29,002.14-11,584.68

Finding the Fourth Proportional to 21,016.08, 29,002.14 and 11,584.68

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Solution

The fourth proportional to 21,016.08, 29,002.14 and 11,584.68 is: 15,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.08 : 29,002.14 = 11,584.68 : x
  2. Step 2: Convert to fraction form
    21,016.08/29,002.14 = 11,584.68/x
  3. Step 3: Cross multiply
    21,016.08x = 29,002.14 × 11,584.68
  4. Step 4: Simplify right side
    21,016.08x = 335,980,511.22
  5. Step 5: Solve for x
    x = 335,980,511.22/21,016.08
  6. Step 6: Final answer
    x = 15,986.83

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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.