Home / 19,336.20-29,004.30-8,255.40

Finding the Fourth Proportional to 19,336.20, 29,004.30 and 8,255.40

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Solution

The fourth proportional to 19,336.20, 29,004.30 and 8,255.40 is: 12,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.20 : 29,004.30 = 8,255.40 : x
  2. Step 2: Convert to fraction form
    19,336.20/29,004.30 = 8,255.40/x
  3. Step 3: Cross multiply
    19,336.20x = 29,004.30 × 8,255.40
  4. Step 4: Simplify right side
    19,336.20x = 239,442,098.22
  5. Step 5: Solve for x
    x = 239,442,098.22/19,336.20
  6. Step 6: Final answer
    x = 12,383.10

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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.