Home / 21,040.94-29,035.80-11,609.50

Finding the Fourth Proportional to 21,040.94, 29,035.80 and 11,609.50

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Solution

The fourth proportional to 21,040.94, 29,035.80 and 11,609.50 is: 16,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.94 : 29,035.80 = 11,609.50 : x
  2. Step 2: Convert to fraction form
    21,040.94/29,035.80 = 11,609.50/x
  3. Step 3: Cross multiply
    21,040.94x = 29,035.80 × 11,609.50
  4. Step 4: Simplify right side
    21,040.94x = 337,091,120.10
  5. Step 5: Solve for x
    x = 337,091,120.10/21,040.94
  6. Step 6: Final answer
    x = 16,020.73

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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.