Home / 21,032.56-31,553.84-6,241.60

Finding the Fourth Proportional to 21,032.56, 31,553.84 and 6,241.60

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Solution

The fourth proportional to 21,032.56, 31,553.84 and 6,241.60 is: 9,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.56 : 31,553.84 = 6,241.60 : x
  2. Step 2: Convert to fraction form
    21,032.56/31,553.84 = 6,241.60/x
  3. Step 3: Cross multiply
    21,032.56x = 31,553.84 × 6,241.60
  4. Step 4: Simplify right side
    21,032.56x = 196,946,447.74
  5. Step 5: Solve for x
    x = 196,946,447.74/21,032.56
  6. Step 6: Final answer
    x = 9,363.88

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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.