Home / 12,759.01-19,147.22-4,438.94

Finding the Fourth Proportional to 12,759.01, 19,147.22 and 4,438.94

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Solution

The fourth proportional to 12,759.01, 19,147.22 and 4,438.94 is: 6,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.01 : 19,147.22 = 4,438.94 : x
  2. Step 2: Convert to fraction form
    12,759.01/19,147.22 = 4,438.94/x
  3. Step 3: Cross multiply
    12,759.01x = 19,147.22 × 4,438.94
  4. Step 4: Simplify right side
    12,759.01x = 84,993,360.75
  5. Step 5: Solve for x
    x = 84,993,360.75/12,759.01
  6. Step 6: Final answer
    x = 6,661.44

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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.