Home / 19,328.43-28,990.82-6,177.27

Finding the Fourth Proportional to 19,328.43, 28,990.82 and 6,177.27

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Solution

The fourth proportional to 19,328.43, 28,990.82 and 6,177.27 is: 9,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.43 : 28,990.82 = 6,177.27 : x
  2. Step 2: Convert to fraction form
    19,328.43/28,990.82 = 6,177.27/x
  3. Step 3: Cross multiply
    19,328.43x = 28,990.82 × 6,177.27
  4. Step 4: Simplify right side
    19,328.43x = 179,084,147.91
  5. Step 5: Solve for x
    x = 179,084,147.91/19,328.43
  6. Step 6: Final answer
    x = 9,265.32

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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.