Home / 12,537.18-18,804.78-6,290.82

Finding the Fourth Proportional to 12,537.18, 18,804.78 and 6,290.82

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Solution

The fourth proportional to 12,537.18, 18,804.78 and 6,290.82 is: 9,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.18 : 18,804.78 = 6,290.82 : x
  2. Step 2: Convert to fraction form
    12,537.18/18,804.78 = 6,290.82/x
  3. Step 3: Cross multiply
    12,537.18x = 18,804.78 × 6,290.82
  4. Step 4: Simplify right side
    12,537.18x = 118,297,486.12
  5. Step 5: Solve for x
    x = 118,297,486.12/12,537.18
  6. Step 6: Final answer
    x = 9,435.73

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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.