Home / 14,699.19-20,286.38-8,651.80

Finding the Fourth Proportional to 14,699.19, 20,286.38 and 8,651.80

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Solution

The fourth proportional to 14,699.19, 20,286.38 and 8,651.80 is: 11,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.19 : 20,286.38 = 8,651.80 : x
  2. Step 2: Convert to fraction form
    14,699.19/20,286.38 = 8,651.80/x
  3. Step 3: Cross multiply
    14,699.19x = 20,286.38 × 8,651.80
  4. Step 4: Simplify right side
    14,699.19x = 175,513,749.47
  5. Step 5: Solve for x
    x = 175,513,749.47/14,699.19
  6. Step 6: Final answer
    x = 11,940.37

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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.