Home / 14,751.62-20,357.33-8,783.54

Finding the Fourth Proportional to 14,751.62, 20,357.33 and 8,783.54

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Solution

The fourth proportional to 14,751.62, 20,357.33 and 8,783.54 is: 12,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.62 : 20,357.33 = 8,783.54 : x
  2. Step 2: Convert to fraction form
    14,751.62/20,357.33 = 8,783.54/x
  3. Step 3: Cross multiply
    14,751.62x = 20,357.33 × 8,783.54
  4. Step 4: Simplify right side
    14,751.62x = 178,809,352.98
  5. Step 5: Solve for x
    x = 178,809,352.98/14,751.62
  6. Step 6: Final answer
    x = 12,121.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.