Home / 12,080.27-18,126.73-8,775.81

Finding the Fourth Proportional to 12,080.27, 18,126.73 and 8,775.81

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Solution

The fourth proportional to 12,080.27, 18,126.73 and 8,775.81 is: 13,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.27 : 18,126.73 = 8,775.81 : x
  2. Step 2: Convert to fraction form
    12,080.27/18,126.73 = 8,775.81/x
  3. Step 3: Cross multiply
    12,080.27x = 18,126.73 × 8,775.81
  4. Step 4: Simplify right side
    12,080.27x = 159,076,738.40
  5. Step 5: Solve for x
    x = 159,076,738.40/12,080.27
  6. Step 6: Final answer
    x = 13,168.32

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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.