Home / 12,664.88-19,004.16-5,274.44

Finding the Fourth Proportional to 12,664.88, 19,004.16 and 5,274.44

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Solution

The fourth proportional to 12,664.88, 19,004.16 and 5,274.44 is: 7,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.88 : 19,004.16 = 5,274.44 : x
  2. Step 2: Convert to fraction form
    12,664.88/19,004.16 = 5,274.44/x
  3. Step 3: Cross multiply
    12,664.88x = 19,004.16 × 5,274.44
  4. Step 4: Simplify right side
    12,664.88x = 100,236,301.67
  5. Step 5: Solve for x
    x = 100,236,301.67/12,664.88
  6. Step 6: Final answer
    x = 7,914.51

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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.