Home / 13,470.23-20,197.42-5,150.86

Finding the Fourth Proportional to 13,470.23, 20,197.42 and 5,150.86

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Solution

The fourth proportional to 13,470.23, 20,197.42 and 5,150.86 is: 7,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.23 : 20,197.42 = 5,150.86 : x
  2. Step 2: Convert to fraction form
    13,470.23/20,197.42 = 5,150.86/x
  3. Step 3: Cross multiply
    13,470.23x = 20,197.42 × 5,150.86
  4. Step 4: Simplify right side
    13,470.23x = 104,034,019.41
  5. Step 5: Solve for x
    x = 104,034,019.41/13,470.23
  6. Step 6: Final answer
    x = 7,723.25

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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.