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Finding the Fourth Proportional to 21,197.77, 31,794.93 and 6,203.71

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Solution

The fourth proportional to 21,197.77, 31,794.93 and 6,203.71 is: 9,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.77 : 31,794.93 = 6,203.71 : x
  2. Step 2: Convert to fraction form
    21,197.77/31,794.93 = 6,203.71/x
  3. Step 3: Cross multiply
    21,197.77x = 31,794.93 × 6,203.71
  4. Step 4: Simplify right side
    21,197.77x = 197,246,525.19
  5. Step 5: Solve for x
    x = 197,246,525.19/21,197.77
  6. Step 6: Final answer
    x = 9,305.06

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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.