Home / 19,318.22-28,940.54-11,003.97

Finding the Fourth Proportional to 19,318.22, 28,940.54 and 11,003.97

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Solution

The fourth proportional to 19,318.22, 28,940.54 and 11,003.97 is: 16,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.22 : 28,940.54 = 11,003.97 : x
  2. Step 2: Convert to fraction form
    19,318.22/28,940.54 = 11,003.97/x
  3. Step 3: Cross multiply
    19,318.22x = 28,940.54 × 11,003.97
  4. Step 4: Simplify right side
    19,318.22x = 318,460,861.45
  5. Step 5: Solve for x
    x = 318,460,861.45/19,318.22
  6. Step 6: Final answer
    x = 16,485.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.