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Finding the Fourth Proportional to 17,842.32, 26,763.36 and 13,950

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Solution

The fourth proportional to 17,842.32, 26,763.36 and 13,950 is: 20,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.32 : 26,763.36 = 13,950 : x
  2. Step 2: Convert to fraction form
    17,842.32/26,763.36 = 13,950/x
  3. Step 3: Cross multiply
    17,842.32x = 26,763.36 × 13,950
  4. Step 4: Simplify right side
    17,842.32x = 373,348,872
  5. Step 5: Solve for x
    x = 373,348,872/17,842.32
  6. Step 6: Final answer
    x = 20,924.91

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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.