Home / 18,420.07-27,629.97-6,733.12

Finding the Fourth Proportional to 18,420.07, 27,629.97 and 6,733.12

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Solution

The fourth proportional to 18,420.07, 27,629.97 and 6,733.12 is: 10,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.07 : 27,629.97 = 6,733.12 : x
  2. Step 2: Convert to fraction form
    18,420.07/27,629.97 = 6,733.12/x
  3. Step 3: Cross multiply
    18,420.07x = 27,629.97 × 6,733.12
  4. Step 4: Simplify right side
    18,420.07x = 186,035,903.61
  5. Step 5: Solve for x
    x = 186,035,903.61/18,420.07
  6. Step 6: Final answer
    x = 10,099.63

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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.