Home / 20,103.75-27,744.44-11,607.43

Finding the Fourth Proportional to 20,103.75, 27,744.44 and 11,607.43

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Solution

The fourth proportional to 20,103.75, 27,744.44 and 11,607.43 is: 16,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.75 : 27,744.44 = 11,607.43 : x
  2. Step 2: Convert to fraction form
    20,103.75/27,744.44 = 11,607.43/x
  3. Step 3: Cross multiply
    20,103.75x = 27,744.44 × 11,607.43
  4. Step 4: Simplify right side
    20,103.75x = 322,041,566.63
  5. Step 5: Solve for x
    x = 322,041,566.63/20,103.75
  6. Step 6: Final answer
    x = 16,018.98

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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.