Home / 12,790.44-17,644.05-8,804.66

Finding the Fourth Proportional to 12,790.44, 17,644.05 and 8,804.66

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Solution

The fourth proportional to 12,790.44, 17,644.05 and 8,804.66 is: 12,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.44 : 17,644.05 = 8,804.66 : x
  2. Step 2: Convert to fraction form
    12,790.44/17,644.05 = 8,804.66/x
  3. Step 3: Cross multiply
    12,790.44x = 17,644.05 × 8,804.66
  4. Step 4: Simplify right side
    12,790.44x = 155,349,773.05
  5. Step 5: Solve for x
    x = 155,349,773.05/12,790.44
  6. Step 6: Final answer
    x = 12,145.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.