Home / 18,826.93-28,222.38-6,977.53

Finding the Fourth Proportional to 18,826.93, 28,222.38 and 6,977.53

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Solution

The fourth proportional to 18,826.93, 28,222.38 and 6,977.53 is: 10,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.93 : 28,222.38 = 6,977.53 : x
  2. Step 2: Convert to fraction form
    18,826.93/28,222.38 = 6,977.53/x
  3. Step 3: Cross multiply
    18,826.93x = 28,222.38 × 6,977.53
  4. Step 4: Simplify right side
    18,826.93x = 196,922,379.65
  5. Step 5: Solve for x
    x = 196,922,379.65/18,826.93
  6. Step 6: Final answer
    x = 10,459.61

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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.