Home / 15,851.28-23,781.41-7,944.27

Finding the Fourth Proportional to 15,851.28, 23,781.41 and 7,944.27

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Solution

The fourth proportional to 15,851.28, 23,781.41 and 7,944.27 is: 11,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.28 : 23,781.41 = 7,944.27 : x
  2. Step 2: Convert to fraction form
    15,851.28/23,781.41 = 7,944.27/x
  3. Step 3: Cross multiply
    15,851.28x = 23,781.41 × 7,944.27
  4. Step 4: Simplify right side
    15,851.28x = 188,925,942.02
  5. Step 5: Solve for x
    x = 188,925,942.02/15,851.28
  6. Step 6: Final answer
    x = 11,918.66

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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.