Home / 18,736.21-28,096.09-7,041.22

Finding the Fourth Proportional to 18,736.21, 28,096.09 and 7,041.22

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Solution

The fourth proportional to 18,736.21, 28,096.09 and 7,041.22 is: 10,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.21 : 28,096.09 = 7,041.22 : x
  2. Step 2: Convert to fraction form
    18,736.21/28,096.09 = 7,041.22/x
  3. Step 3: Cross multiply
    18,736.21x = 28,096.09 × 7,041.22
  4. Step 4: Simplify right side
    18,736.21x = 197,830,750.83
  5. Step 5: Solve for x
    x = 197,830,750.83/18,736.21
  6. Step 6: Final answer
    x = 10,558.74

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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.