Home / 21,040.08-29,034.84-11,608.56

Finding the Fourth Proportional to 21,040.08, 29,034.84 and 11,608.56

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Solution

The fourth proportional to 21,040.08, 29,034.84 and 11,608.56 is: 16,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.08 : 29,034.84 = 11,608.56 : x
  2. Step 2: Convert to fraction form
    21,040.08/29,034.84 = 11,608.56/x
  3. Step 3: Cross multiply
    21,040.08x = 29,034.84 × 11,608.56
  4. Step 4: Simplify right side
    21,040.08x = 337,052,682.23
  5. Step 5: Solve for x
    x = 337,052,682.23/21,040.08
  6. Step 6: Final answer
    x = 16,019.55

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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.