Home / 11,133.30-16,702.79-8,206.58

Finding the Fourth Proportional to 11,133.30, 16,702.79 and 8,206.58

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Solution

The fourth proportional to 11,133.30, 16,702.79 and 8,206.58 is: 12,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.30 : 16,702.79 = 8,206.58 : x
  2. Step 2: Convert to fraction form
    11,133.30/16,702.79 = 8,206.58/x
  3. Step 3: Cross multiply
    11,133.30x = 16,702.79 × 8,206.58
  4. Step 4: Simplify right side
    11,133.30x = 137,072,829.24
  5. Step 5: Solve for x
    x = 137,072,829.24/11,133.30
  6. Step 6: Final answer
    x = 12,311.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.