Home / 11,315.64-16,944.16-7,816.44

Finding the Fourth Proportional to 11,315.64, 16,944.16 and 7,816.44

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Solution

The fourth proportional to 11,315.64, 16,944.16 and 7,816.44 is: 11,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.64 : 16,944.16 = 7,816.44 : x
  2. Step 2: Convert to fraction form
    11,315.64/16,944.16 = 7,816.44/x
  3. Step 3: Cross multiply
    11,315.64x = 16,944.16 × 7,816.44
  4. Step 4: Simplify right side
    11,315.64x = 132,443,009.99
  5. Step 5: Solve for x
    x = 132,443,009.99/11,315.64
  6. Step 6: Final answer
    x = 11,704.42

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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.