Home / 18,829.81-28,247.07-5,682.16

Finding the Fourth Proportional to 18,829.81, 28,247.07 and 5,682.16

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Solution

The fourth proportional to 18,829.81, 28,247.07 and 5,682.16 is: 8,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.81 : 28,247.07 = 5,682.16 : x
  2. Step 2: Convert to fraction form
    18,829.81/28,247.07 = 5,682.16/x
  3. Step 3: Cross multiply
    18,829.81x = 28,247.07 × 5,682.16
  4. Step 4: Simplify right side
    18,829.81x = 160,504,371.27
  5. Step 5: Solve for x
    x = 160,504,371.27/18,829.81
  6. Step 6: Final answer
    x = 8,523.95

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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.