Home / 20,246.07-30,369.09-10,379.05

Finding the Fourth Proportional to 20,246.07, 30,369.09 and 10,379.05

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Solution

The fourth proportional to 20,246.07, 30,369.09 and 10,379.05 is: 15,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.07 : 30,369.09 = 10,379.05 : x
  2. Step 2: Convert to fraction form
    20,246.07/30,369.09 = 10,379.05/x
  3. Step 3: Cross multiply
    20,246.07x = 30,369.09 × 10,379.05
  4. Step 4: Simplify right side
    20,246.07x = 315,202,303.56
  5. Step 5: Solve for x
    x = 315,202,303.56/20,246.07
  6. Step 6: Final answer
    x = 15,568.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.