Home / 11,040.34-16,560.55-2,720.56

Finding the Fourth Proportional to 11,040.34, 16,560.55 and 2,720.56

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Solution

The fourth proportional to 11,040.34, 16,560.55 and 2,720.56 is: 4,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.34 : 16,560.55 = 2,720.56 : x
  2. Step 2: Convert to fraction form
    11,040.34/16,560.55 = 2,720.56/x
  3. Step 3: Cross multiply
    11,040.34x = 16,560.55 × 2,720.56
  4. Step 4: Simplify right side
    11,040.34x = 45,053,969.91
  5. Step 5: Solve for x
    x = 45,053,969.91/11,040.34
  6. Step 6: Final answer
    x = 4,080.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.