Home / 21,755.64-32,638.76-6,173.22

Finding the Fourth Proportional to 21,755.64, 32,638.76 and 6,173.22

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Solution

The fourth proportional to 21,755.64, 32,638.76 and 6,173.22 is: 9,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.64 : 32,638.76 = 6,173.22 : x
  2. Step 2: Convert to fraction form
    21,755.64/32,638.76 = 6,173.22/x
  3. Step 3: Cross multiply
    21,755.64x = 32,638.76 × 6,173.22
  4. Step 4: Simplify right side
    21,755.64x = 201,486,246.01
  5. Step 5: Solve for x
    x = 201,486,246.01/21,755.64
  6. Step 6: Final answer
    x = 9,261.33

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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.