Home / 21,274.07-31,911.11-9,573.62

Finding the Fourth Proportional to 21,274.07, 31,911.11 and 9,573.62

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Solution

The fourth proportional to 21,274.07, 31,911.11 and 9,573.62 is: 14,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.07 : 31,911.11 = 9,573.62 : x
  2. Step 2: Convert to fraction form
    21,274.07/31,911.11 = 9,573.62/x
  3. Step 3: Cross multiply
    21,274.07x = 31,911.11 × 9,573.62
  4. Step 4: Simplify right side
    21,274.07x = 305,504,633.49
  5. Step 5: Solve for x
    x = 305,504,633.49/21,274.07
  6. Step 6: Final answer
    x = 14,360.43

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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.