Home / 12,089.27-16,683.12-6,783.98

Finding the Fourth Proportional to 12,089.27, 16,683.12 and 6,783.98

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Solution

The fourth proportional to 12,089.27, 16,683.12 and 6,783.98 is: 9,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.27 : 16,683.12 = 6,783.98 : x
  2. Step 2: Convert to fraction form
    12,089.27/16,683.12 = 6,783.98/x
  3. Step 3: Cross multiply
    12,089.27x = 16,683.12 × 6,783.98
  4. Step 4: Simplify right side
    12,089.27x = 113,177,869.00
  5. Step 5: Solve for x
    x = 113,177,869.00/12,089.27
  6. Step 6: Final answer
    x = 9,361.85

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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.