Home / 11,704.23-16,145.06-7,971.75

Finding the Fourth Proportional to 11,704.23, 16,145.06 and 7,971.75

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Solution

The fourth proportional to 11,704.23, 16,145.06 and 7,971.75 is: 10,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.23 : 16,145.06 = 7,971.75 : x
  2. Step 2: Convert to fraction form
    11,704.23/16,145.06 = 7,971.75/x
  3. Step 3: Cross multiply
    11,704.23x = 16,145.06 × 7,971.75
  4. Step 4: Simplify right side
    11,704.23x = 128,704,342.20
  5. Step 5: Solve for x
    x = 128,704,342.20/11,704.23
  6. Step 6: Final answer
    x = 10,996.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.