Home / 20,055.83-27,674.73-11,103.30

Finding the Fourth Proportional to 20,055.83, 27,674.73 and 11,103.30

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Solution

The fourth proportional to 20,055.83, 27,674.73 and 11,103.30 is: 15,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.83 : 27,674.73 = 11,103.30 : x
  2. Step 2: Convert to fraction form
    20,055.83/27,674.73 = 11,103.30/x
  3. Step 3: Cross multiply
    20,055.83x = 27,674.73 × 11,103.30
  4. Step 4: Simplify right side
    20,055.83x = 307,280,829.61
  5. Step 5: Solve for x
    x = 307,280,829.61/20,055.83
  6. Step 6: Final answer
    x = 15,321.28

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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.