Home / 8,100.44-12,127.14-6,160.28

Finding the Fourth Proportional to 8,100.44, 12,127.14 and 6,160.28

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Solution

The fourth proportional to 8,100.44, 12,127.14 and 6,160.28 is: 9,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.44 : 12,127.14 = 6,160.28 : x
  2. Step 2: Convert to fraction form
    8,100.44/12,127.14 = 6,160.28/x
  3. Step 3: Cross multiply
    8,100.44x = 12,127.14 × 6,160.28
  4. Step 4: Simplify right side
    8,100.44x = 74,706,578.00
  5. Step 5: Solve for x
    x = 74,706,578.00/8,100.44
  6. Step 6: Final answer
    x = 9,222.53

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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.