Home / 20,246.04-30,369.06-10,379.02

Finding the Fourth Proportional to 20,246.04, 30,369.06 and 10,379.02

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Solution

The fourth proportional to 20,246.04, 30,369.06 and 10,379.02 is: 15,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.04 : 30,369.06 = 10,379.02 : x
  2. Step 2: Convert to fraction form
    20,246.04/30,369.06 = 10,379.02/x
  3. Step 3: Cross multiply
    20,246.04x = 30,369.06 × 10,379.02
  4. Step 4: Simplify right side
    20,246.04x = 315,201,081.12
  5. Step 5: Solve for x
    x = 315,201,081.12/20,246.04
  6. Step 6: Final answer
    x = 15,568.53

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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.