Home / 13,063.45-19,609.01-8,136.56

Finding the Fourth Proportional to 13,063.45, 19,609.01 and 8,136.56

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Solution

The fourth proportional to 13,063.45, 19,609.01 and 8,136.56 is: 12,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.45 : 19,609.01 = 8,136.56 : x
  2. Step 2: Convert to fraction form
    13,063.45/19,609.01 = 8,136.56/x
  3. Step 3: Cross multiply
    13,063.45x = 19,609.01 × 8,136.56
  4. Step 4: Simplify right side
    13,063.45x = 159,549,747.68
  5. Step 5: Solve for x
    x = 159,549,747.68/13,063.45
  6. Step 6: Final answer
    x = 12,213.45

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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.