Home / 18,311.27-27,466.90-6,621.75

Finding the Fourth Proportional to 18,311.27, 27,466.90 and 6,621.75

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Solution

The fourth proportional to 18,311.27, 27,466.90 and 6,621.75 is: 9,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.27 : 27,466.90 = 6,621.75 : x
  2. Step 2: Convert to fraction form
    18,311.27/27,466.90 = 6,621.75/x
  3. Step 3: Cross multiply
    18,311.27x = 27,466.90 × 6,621.75
  4. Step 4: Simplify right side
    18,311.27x = 181,878,928.52
  5. Step 5: Solve for x
    x = 181,878,928.52/18,311.27
  6. Step 6: Final answer
    x = 9,932.63

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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.