Home / 21,554.56-32,330.94-5,971.78

Finding the Fourth Proportional to 21,554.56, 32,330.94 and 5,971.78

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Solution

The fourth proportional to 21,554.56, 32,330.94 and 5,971.78 is: 8,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.56 : 32,330.94 = 5,971.78 : x
  2. Step 2: Convert to fraction form
    21,554.56/32,330.94 = 5,971.78/x
  3. Step 3: Cross multiply
    21,554.56x = 32,330.94 × 5,971.78
  4. Step 4: Simplify right side
    21,554.56x = 193,073,260.87
  5. Step 5: Solve for x
    x = 193,073,260.87/21,554.56
  6. Step 6: Final answer
    x = 8,957.42

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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.