Home / 9,519.34-13,136.20-5,212.31

Finding the Fourth Proportional to 9,519.34, 13,136.20 and 5,212.31

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Solution

The fourth proportional to 9,519.34, 13,136.20 and 5,212.31 is: 7,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.34 : 13,136.20 = 5,212.31 : x
  2. Step 2: Convert to fraction form
    9,519.34/13,136.20 = 5,212.31/x
  3. Step 3: Cross multiply
    9,519.34x = 13,136.20 × 5,212.31
  4. Step 4: Simplify right side
    9,519.34x = 68,469,920.56
  5. Step 5: Solve for x
    x = 68,469,920.56/9,519.34
  6. Step 6: Final answer
    x = 7,192.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.