Home / 12,528.43-18,793.23-6,977.59

Finding the Fourth Proportional to 12,528.43, 18,793.23 and 6,977.59

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Solution

The fourth proportional to 12,528.43, 18,793.23 and 6,977.59 is: 10,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.43 : 18,793.23 = 6,977.59 : x
  2. Step 2: Convert to fraction form
    12,528.43/18,793.23 = 6,977.59/x
  3. Step 3: Cross multiply
    12,528.43x = 18,793.23 × 6,977.59
  4. Step 4: Simplify right side
    12,528.43x = 131,131,453.72
  5. Step 5: Solve for x
    x = 131,131,453.72/12,528.43
  6. Step 6: Final answer
    x = 10,466.71

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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.