Home / 20,182.08-30,280.81-9,086.22

Finding the Fourth Proportional to 20,182.08, 30,280.81 and 9,086.22

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Solution

The fourth proportional to 20,182.08, 30,280.81 and 9,086.22 is: 13,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.08 : 30,280.81 = 9,086.22 : x
  2. Step 2: Convert to fraction form
    20,182.08/30,280.81 = 9,086.22/x
  3. Step 3: Cross multiply
    20,182.08x = 30,280.81 × 9,086.22
  4. Step 4: Simplify right side
    20,182.08x = 275,137,975.46
  5. Step 5: Solve for x
    x = 275,137,975.46/20,182.08
  6. Step 6: Final answer
    x = 13,632.79

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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.