Home / 19,410.22-26,788.98-11,860.90

Finding the Fourth Proportional to 19,410.22, 26,788.98 and 11,860.90

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Solution

The fourth proportional to 19,410.22, 26,788.98 and 11,860.90 is: 16,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.22 : 26,788.98 = 11,860.90 : x
  2. Step 2: Convert to fraction form
    19,410.22/26,788.98 = 11,860.90/x
  3. Step 3: Cross multiply
    19,410.22x = 26,788.98 × 11,860.90
  4. Step 4: Simplify right side
    19,410.22x = 317,741,412.88
  5. Step 5: Solve for x
    x = 317,741,412.88/19,410.22
  6. Step 6: Final answer
    x = 16,369.80

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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.