Home / 13,120.08-19,676.52-7,850.94

Finding the Fourth Proportional to 13,120.08, 19,676.52 and 7,850.94

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Solution

The fourth proportional to 13,120.08, 19,676.52 and 7,850.94 is: 11,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.08 : 19,676.52 = 7,850.94 : x
  2. Step 2: Convert to fraction form
    13,120.08/19,676.52 = 7,850.94/x
  3. Step 3: Cross multiply
    13,120.08x = 19,676.52 × 7,850.94
  4. Step 4: Simplify right side
    13,120.08x = 154,479,177.93
  5. Step 5: Solve for x
    x = 154,479,177.93/13,120.08
  6. Step 6: Final answer
    x = 11,774.26

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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.