Home / 14,942.12-20,628.41-8,975.25

Finding the Fourth Proportional to 14,942.12, 20,628.41 and 8,975.25

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Solution

The fourth proportional to 14,942.12, 20,628.41 and 8,975.25 is: 12,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.12 : 20,628.41 = 8,975.25 : x
  2. Step 2: Convert to fraction form
    14,942.12/20,628.41 = 8,975.25/x
  3. Step 3: Cross multiply
    14,942.12x = 20,628.41 × 8,975.25
  4. Step 4: Simplify right side
    14,942.12x = 185,145,091.98
  5. Step 5: Solve for x
    x = 185,145,091.98/14,942.12
  6. Step 6: Final answer
    x = 12,390.82

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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.