Home / 12,089.16-16,682.76-6,783.84

Finding the Fourth Proportional to 12,089.16, 16,682.76 and 6,783.84

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Solution

The fourth proportional to 12,089.16, 16,682.76 and 6,783.84 is: 9,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.16 : 16,682.76 = 6,783.84 : x
  2. Step 2: Convert to fraction form
    12,089.16/16,682.76 = 6,783.84/x
  3. Step 3: Cross multiply
    12,089.16x = 16,682.76 × 6,783.84
  4. Step 4: Simplify right side
    12,089.16x = 113,173,174.60
  5. Step 5: Solve for x
    x = 113,173,174.60/12,089.16
  6. Step 6: Final answer
    x = 9,361.54

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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.