Home / 12,091.20-16,683.75-6,786.24

Finding the Fourth Proportional to 12,091.20, 16,683.75 and 6,786.24

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Solution

The fourth proportional to 12,091.20, 16,683.75 and 6,786.24 is: 9,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.20 : 16,683.75 = 6,786.24 : x
  2. Step 2: Convert to fraction form
    12,091.20/16,683.75 = 6,786.24/x
  3. Step 3: Cross multiply
    12,091.20x = 16,683.75 × 6,786.24
  4. Step 4: Simplify right side
    12,091.20x = 113,219,931.60
  5. Step 5: Solve for x
    x = 113,219,931.60/12,091.20
  6. Step 6: Final answer
    x = 9,363.83

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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.