Home / 19,143.27-28,710.75-5,993.91

Finding the Fourth Proportional to 19,143.27, 28,710.75 and 5,993.91

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Solution

The fourth proportional to 19,143.27, 28,710.75 and 5,993.91 is: 8,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.27 : 28,710.75 = 5,993.91 : x
  2. Step 2: Convert to fraction form
    19,143.27/28,710.75 = 5,993.91/x
  3. Step 3: Cross multiply
    19,143.27x = 28,710.75 × 5,993.91
  4. Step 4: Simplify right side
    19,143.27x = 172,089,651.53
  5. Step 5: Solve for x
    x = 172,089,651.53/19,143.27
  6. Step 6: Final answer
    x = 8,989.56

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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.