Home / 14,699.07-20,286.21-8,651.68

Finding the Fourth Proportional to 14,699.07, 20,286.21 and 8,651.68

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Solution

The fourth proportional to 14,699.07, 20,286.21 and 8,651.68 is: 11,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.07 : 20,286.21 = 8,651.68 : x
  2. Step 2: Convert to fraction form
    14,699.07/20,286.21 = 8,651.68/x
  3. Step 3: Cross multiply
    14,699.07x = 20,286.21 × 8,651.68
  4. Step 4: Simplify right side
    14,699.07x = 175,509,797.33
  5. Step 5: Solve for x
    x = 175,509,797.33/14,699.07
  6. Step 6: Final answer
    x = 11,940.20

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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.