Home / 14,764.33-20,369.69-10,286.45

Finding the Fourth Proportional to 14,764.33, 20,369.69 and 10,286.45

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Solution

The fourth proportional to 14,764.33, 20,369.69 and 10,286.45 is: 14,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.33 : 20,369.69 = 10,286.45 : x
  2. Step 2: Convert to fraction form
    14,764.33/20,369.69 = 10,286.45/x
  3. Step 3: Cross multiply
    14,764.33x = 20,369.69 × 10,286.45
  4. Step 4: Simplify right side
    14,764.33x = 209,531,797.70
  5. Step 5: Solve for x
    x = 209,531,797.70/14,764.33
  6. Step 6: Final answer
    x = 14,191.76

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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.