Home / 13,144.68-19,731.60-7,596.99

Finding the Fourth Proportional to 13,144.68, 19,731.60 and 7,596.99

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Solution

The fourth proportional to 13,144.68, 19,731.60 and 7,596.99 is: 11,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.68 : 19,731.60 = 7,596.99 : x
  2. Step 2: Convert to fraction form
    13,144.68/19,731.60 = 7,596.99/x
  3. Step 3: Cross multiply
    13,144.68x = 19,731.60 × 7,596.99
  4. Step 4: Simplify right side
    13,144.68x = 149,900,767.88
  5. Step 5: Solve for x
    x = 149,900,767.88/13,144.68
  6. Step 6: Final answer
    x = 11,403.91

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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.