Home / 20,103.35-27,743.88-11,607.03

Finding the Fourth Proportional to 20,103.35, 27,743.88 and 11,607.03

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Solution

The fourth proportional to 20,103.35, 27,743.88 and 11,607.03 is: 16,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.35 : 27,743.88 = 11,607.03 : x
  2. Step 2: Convert to fraction form
    20,103.35/27,743.88 = 11,607.03/x
  3. Step 3: Cross multiply
    20,103.35x = 27,743.88 × 11,607.03
  4. Step 4: Simplify right side
    20,103.35x = 322,024,047.48
  5. Step 5: Solve for x
    x = 322,024,047.48/20,103.35
  6. Step 6: Final answer
    x = 16,018.43

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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.