Home / 11,060.75-16,580.19-5,139.45

Finding the Fourth Proportional to 11,060.75, 16,580.19 and 5,139.45

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Solution

The fourth proportional to 11,060.75, 16,580.19 and 5,139.45 is: 7,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.75 : 16,580.19 = 5,139.45 : x
  2. Step 2: Convert to fraction form
    11,060.75/16,580.19 = 5,139.45/x
  3. Step 3: Cross multiply
    11,060.75x = 16,580.19 × 5,139.45
  4. Step 4: Simplify right side
    11,060.75x = 85,213,076.77
  5. Step 5: Solve for x
    x = 85,213,076.77/11,060.75
  6. Step 6: Final answer
    x = 7,704.09

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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.