Home / 12,106.94-16,706.61-6,800.72

Finding the Fourth Proportional to 12,106.94, 16,706.61 and 6,800.72

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Solution

The fourth proportional to 12,106.94, 16,706.61 and 6,800.72 is: 9,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.94 : 16,706.61 = 6,800.72 : x
  2. Step 2: Convert to fraction form
    12,106.94/16,706.61 = 6,800.72/x
  3. Step 3: Cross multiply
    12,106.94x = 16,706.61 × 6,800.72
  4. Step 4: Simplify right side
    12,106.94x = 113,616,893.23
  5. Step 5: Solve for x
    x = 113,616,893.23/12,106.94
  6. Step 6: Final answer
    x = 9,384.45

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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.