Home / 8,557.30-11,720.45-8,052.85

Finding the Fourth Proportional to 8,557.30, 11,720.45 and 8,052.85

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Solution

The fourth proportional to 8,557.30, 11,720.45 and 8,052.85 is: 11,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.30 : 11,720.45 = 8,052.85 : x
  2. Step 2: Convert to fraction form
    8,557.30/11,720.45 = 8,052.85/x
  3. Step 3: Cross multiply
    8,557.30x = 11,720.45 × 8,052.85
  4. Step 4: Simplify right side
    8,557.30x = 94,383,025.78
  5. Step 5: Solve for x
    x = 94,383,025.78/8,557.30
  6. Step 6: Final answer
    x = 11,029.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.