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Finding the Fourth Proportional to 21,783.64, 32,674.82 and 6,201.26

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Solution

The fourth proportional to 21,783.64, 32,674.82 and 6,201.26 is: 9,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783.64 : 32,674.82 = 6,201.26 : x
  2. Step 2: Convert to fraction form
    21,783.64/32,674.82 = 6,201.26/x
  3. Step 3: Cross multiply
    21,783.64x = 32,674.82 × 6,201.26
  4. Step 4: Simplify right side
    21,783.64x = 202,625,054.27
  5. Step 5: Solve for x
    x = 202,625,054.27/21,783.64
  6. Step 6: Final answer
    x = 9,301.71

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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.