Home / 11,116.55-16,674.83-8,200.55

Finding the Fourth Proportional to 11,116.55, 16,674.83 and 8,200.55

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Solution

The fourth proportional to 11,116.55, 16,674.83 and 8,200.55 is: 12,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.55 : 16,674.83 = 8,200.55 : x
  2. Step 2: Convert to fraction form
    11,116.55/16,674.83 = 8,200.55/x
  3. Step 3: Cross multiply
    11,116.55x = 16,674.83 × 8,200.55
  4. Step 4: Simplify right side
    11,116.55x = 136,742,736.15
  5. Step 5: Solve for x
    x = 136,742,736.15/11,116.55
  6. Step 6: Final answer
    x = 12,300.83

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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.