Home / 11,715.44-16,164.16-7,467.80

Finding the Fourth Proportional to 11,715.44, 16,164.16 and 7,467.80

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Solution

The fourth proportional to 11,715.44, 16,164.16 and 7,467.80 is: 10,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.44 : 16,164.16 = 7,467.80 : x
  2. Step 2: Convert to fraction form
    11,715.44/16,164.16 = 7,467.80/x
  3. Step 3: Cross multiply
    11,715.44x = 16,164.16 × 7,467.80
  4. Step 4: Simplify right side
    11,715.44x = 120,710,614.56
  5. Step 5: Solve for x
    x = 120,710,614.56/11,715.44
  6. Step 6: Final answer
    x = 10,303.55

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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.