Home / 13,274.07-19,903.47-7,942.56

Finding the Fourth Proportional to 13,274.07, 19,903.47 and 7,942.56

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Solution

The fourth proportional to 13,274.07, 19,903.47 and 7,942.56 is: 11,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.07 : 19,903.47 = 7,942.56 : x
  2. Step 2: Convert to fraction form
    13,274.07/19,903.47 = 7,942.56/x
  3. Step 3: Cross multiply
    13,274.07x = 19,903.47 × 7,942.56
  4. Step 4: Simplify right side
    13,274.07x = 158,084,504.68
  5. Step 5: Solve for x
    x = 158,084,504.68/13,274.07
  6. Step 6: Final answer
    x = 11,909.27

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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.