Home / 12,723.03-19,087.32-5,323.68

Finding the Fourth Proportional to 12,723.03, 19,087.32 and 5,323.68

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Solution

The fourth proportional to 12,723.03, 19,087.32 and 5,323.68 is: 7,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.03 : 19,087.32 = 5,323.68 : x
  2. Step 2: Convert to fraction form
    12,723.03/19,087.32 = 5,323.68/x
  3. Step 3: Cross multiply
    12,723.03x = 19,087.32 × 5,323.68
  4. Step 4: Simplify right side
    12,723.03x = 101,614,835.35
  5. Step 5: Solve for x
    x = 101,614,835.35/12,723.03
  6. Step 6: Final answer
    x = 7,986.68

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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.