Home / 12,596.01-18,887.07-5,198.78

Finding the Fourth Proportional to 12,596.01, 18,887.07 and 5,198.78

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Solution

The fourth proportional to 12,596.01, 18,887.07 and 5,198.78 is: 7,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.01 : 18,887.07 = 5,198.78 : x
  2. Step 2: Convert to fraction form
    12,596.01/18,887.07 = 5,198.78/x
  3. Step 3: Cross multiply
    12,596.01x = 18,887.07 × 5,198.78
  4. Step 4: Simplify right side
    12,596.01x = 98,189,788.49
  5. Step 5: Solve for x
    x = 98,189,788.49/12,596.01
  6. Step 6: Final answer
    x = 7,795.31

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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.