Home / 11,925.67-17,890.13-4,135.09

Finding the Fourth Proportional to 11,925.67, 17,890.13 and 4,135.09

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Solution

The fourth proportional to 11,925.67, 17,890.13 and 4,135.09 is: 6,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.67 : 17,890.13 = 4,135.09 : x
  2. Step 2: Convert to fraction form
    11,925.67/17,890.13 = 4,135.09/x
  3. Step 3: Cross multiply
    11,925.67x = 17,890.13 × 4,135.09
  4. Step 4: Simplify right side
    11,925.67x = 73,977,297.66
  5. Step 5: Solve for x
    x = 73,977,297.66/11,925.67
  6. Step 6: Final answer
    x = 6,203.20

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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.