Home / 11,794.32-16,279.20-7,315.44

Finding the Fourth Proportional to 11,794.32, 16,279.20 and 7,315.44

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Solution

The fourth proportional to 11,794.32, 16,279.20 and 7,315.44 is: 10,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.32 : 16,279.20 = 7,315.44 : x
  2. Step 2: Convert to fraction form
    11,794.32/16,279.20 = 7,315.44/x
  3. Step 3: Cross multiply
    11,794.32x = 16,279.20 × 7,315.44
  4. Step 4: Simplify right side
    11,794.32x = 119,089,510.85
  5. Step 5: Solve for x
    x = 119,089,510.85/11,794.32
  6. Step 6: Final answer
    x = 10,097.19

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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.