Home / 19,774.22-29,662.64-6,626.70

Finding the Fourth Proportional to 19,774.22, 29,662.64 and 6,626.70

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Solution

The fourth proportional to 19,774.22, 29,662.64 and 6,626.70 is: 9,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.22 : 29,662.64 = 6,626.70 : x
  2. Step 2: Convert to fraction form
    19,774.22/29,662.64 = 6,626.70/x
  3. Step 3: Cross multiply
    19,774.22x = 29,662.64 × 6,626.70
  4. Step 4: Simplify right side
    19,774.22x = 196,565,383.35
  5. Step 5: Solve for x
    x = 196,565,383.35/19,774.22
  6. Step 6: Final answer
    x = 9,940.49

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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.