Home / 21,771.55-32,656.64-6,189.18

Finding the Fourth Proportional to 21,771.55, 32,656.64 and 6,189.18

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Solution

The fourth proportional to 21,771.55, 32,656.64 and 6,189.18 is: 9,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.55 : 32,656.64 = 6,189.18 : x
  2. Step 2: Convert to fraction form
    21,771.55/32,656.64 = 6,189.18/x
  3. Step 3: Cross multiply
    21,771.55x = 32,656.64 × 6,189.18
  4. Step 4: Simplify right side
    21,771.55x = 202,117,669.75
  5. Step 5: Solve for x
    x = 202,117,669.75/21,771.55
  6. Step 6: Final answer
    x = 9,283.57

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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.