Home / 13,074.48-19,596.60-8,145.36

Finding the Fourth Proportional to 13,074.48, 19,596.60 and 8,145.36

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Solution

The fourth proportional to 13,074.48, 19,596.60 and 8,145.36 is: 12,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.48 : 19,596.60 = 8,145.36 : x
  2. Step 2: Convert to fraction form
    13,074.48/19,596.60 = 8,145.36/x
  3. Step 3: Cross multiply
    13,074.48x = 19,596.60 × 8,145.36
  4. Step 4: Simplify right side
    13,074.48x = 159,621,361.78
  5. Step 5: Solve for x
    x = 159,621,361.78/13,074.48
  6. Step 6: Final answer
    x = 12,208.62

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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.