Home / 18,997.12-26,212.98-11,036.44

Finding the Fourth Proportional to 18,997.12, 26,212.98 and 11,036.44

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Solution

The fourth proportional to 18,997.12, 26,212.98 and 11,036.44 is: 15,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.12 : 26,212.98 = 11,036.44 : x
  2. Step 2: Convert to fraction form
    18,997.12/26,212.98 = 11,036.44/x
  3. Step 3: Cross multiply
    18,997.12x = 26,212.98 × 11,036.44
  4. Step 4: Simplify right side
    18,997.12x = 289,297,980.99
  5. Step 5: Solve for x
    x = 289,297,980.99/18,997.12
  6. Step 6: Final answer
    x = 15,228.52

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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.