Home / 12,080.10-18,112.32-6,529.98

Finding the Fourth Proportional to 12,080.10, 18,112.32 and 6,529.98

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Solution

The fourth proportional to 12,080.10, 18,112.32 and 6,529.98 is: 9,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.10 : 18,112.32 = 6,529.98 : x
  2. Step 2: Convert to fraction form
    12,080.10/18,112.32 = 6,529.98/x
  3. Step 3: Cross multiply
    12,080.10x = 18,112.32 × 6,529.98
  4. Step 4: Simplify right side
    12,080.10x = 118,273,087.35
  5. Step 5: Solve for x
    x = 118,273,087.35/12,080.10
  6. Step 6: Final answer
    x = 9,790.74

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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.