Home / 21,040.85-29,033.80-11,609.41

Finding the Fourth Proportional to 21,040.85, 29,033.80 and 11,609.41

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Solution

The fourth proportional to 21,040.85, 29,033.80 and 11,609.41 is: 16,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.85 : 29,033.80 = 11,609.41 : x
  2. Step 2: Convert to fraction form
    21,040.85/29,033.80 = 11,609.41/x
  3. Step 3: Cross multiply
    21,040.85x = 29,033.80 × 11,609.41
  4. Step 4: Simplify right side
    21,040.85x = 337,065,288.06
  5. Step 5: Solve for x
    x = 337,065,288.06/21,040.85
  6. Step 6: Final answer
    x = 16,019.57

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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.