Home / 17,942.08-26,879.64-12,999.64

Finding the Fourth Proportional to 17,942.08, 26,879.64 and 12,999.64

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Solution

The fourth proportional to 17,942.08, 26,879.64 and 12,999.64 is: 19,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.08 : 26,879.64 = 12,999.64 : x
  2. Step 2: Convert to fraction form
    17,942.08/26,879.64 = 12,999.64/x
  3. Step 3: Cross multiply
    17,942.08x = 26,879.64 × 12,999.64
  4. Step 4: Simplify right side
    17,942.08x = 349,425,643.33
  5. Step 5: Solve for x
    x = 349,425,643.33/17,942.08
  6. Step 6: Final answer
    x = 19,475.20

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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.