Home / 12,076.14-18,108.36-3,756.21

Finding the Fourth Proportional to 12,076.14, 18,108.36 and 3,756.21

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Solution

The fourth proportional to 12,076.14, 18,108.36 and 3,756.21 is: 5,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.14 : 18,108.36 = 3,756.21 : x
  2. Step 2: Convert to fraction form
    12,076.14/18,108.36 = 3,756.21/x
  3. Step 3: Cross multiply
    12,076.14x = 18,108.36 × 3,756.21
  4. Step 4: Simplify right side
    12,076.14x = 68,018,802.92
  5. Step 5: Solve for x
    x = 68,018,802.92/12,076.14
  6. Step 6: Final answer
    x = 5,632.50

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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.