Home / 18,814.21-28,222.67-6,334.22

Finding the Fourth Proportional to 18,814.21, 28,222.67 and 6,334.22

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Solution

The fourth proportional to 18,814.21, 28,222.67 and 6,334.22 is: 9,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.21 : 28,222.67 = 6,334.22 : x
  2. Step 2: Convert to fraction form
    18,814.21/28,222.67 = 6,334.22/x
  3. Step 3: Cross multiply
    18,814.21x = 28,222.67 × 6,334.22
  4. Step 4: Simplify right side
    18,814.21x = 178,768,687.16
  5. Step 5: Solve for x
    x = 178,768,687.16/18,814.21
  6. Step 6: Final answer
    x = 9,501.79

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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.