Home / 19,169.28-28,753.88-8,626.96

Finding the Fourth Proportional to 19,169.28, 28,753.88 and 8,626.96

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Solution

The fourth proportional to 19,169.28, 28,753.88 and 8,626.96 is: 12,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.28 : 28,753.88 = 8,626.96 : x
  2. Step 2: Convert to fraction form
    19,169.28/28,753.88 = 8,626.96/x
  3. Step 3: Cross multiply
    19,169.28x = 28,753.88 × 8,626.96
  4. Step 4: Simplify right side
    19,169.28x = 248,058,572.60
  5. Step 5: Solve for x
    x = 248,058,572.60/19,169.28
  6. Step 6: Final answer
    x = 12,940.42

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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.