Home / 13,010.64-19,519.07-4,245.57

Finding the Fourth Proportional to 13,010.64, 19,519.07 and 4,245.57

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Solution

The fourth proportional to 13,010.64, 19,519.07 and 4,245.57 is: 6,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.64 : 19,519.07 = 4,245.57 : x
  2. Step 2: Convert to fraction form
    13,010.64/19,519.07 = 4,245.57/x
  3. Step 3: Cross multiply
    13,010.64x = 19,519.07 × 4,245.57
  4. Step 4: Simplify right side
    13,010.64x = 82,869,556.79
  5. Step 5: Solve for x
    x = 82,869,556.79/13,010.64
  6. Step 6: Final answer
    x = 6,369.37

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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.