Home / 11,829.56-16,311.30-8,840.36

Finding the Fourth Proportional to 11,829.56, 16,311.30 and 8,840.36

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Solution

The fourth proportional to 11,829.56, 16,311.30 and 8,840.36 is: 12,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.56 : 16,311.30 = 8,840.36 : x
  2. Step 2: Convert to fraction form
    11,829.56/16,311.30 = 8,840.36/x
  3. Step 3: Cross multiply
    11,829.56x = 16,311.30 × 8,840.36
  4. Step 4: Simplify right side
    11,829.56x = 144,197,764.07
  5. Step 5: Solve for x
    x = 144,197,764.07/11,829.56
  6. Step 6: Final answer
    x = 12,189.61

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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.