Home / 16,467.78-22,719.34-10,805.65

Finding the Fourth Proportional to 16,467.78, 22,719.34 and 10,805.65

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Solution

The fourth proportional to 16,467.78, 22,719.34 and 10,805.65 is: 14,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,467.78 : 22,719.34 = 10,805.65 : x
  2. Step 2: Convert to fraction form
    16,467.78/22,719.34 = 10,805.65/x
  3. Step 3: Cross multiply
    16,467.78x = 22,719.34 × 10,805.65
  4. Step 4: Simplify right side
    16,467.78x = 245,497,236.27
  5. Step 5: Solve for x
    x = 245,497,236.27/16,467.78
  6. Step 6: Final answer
    x = 14,907.73

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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.