Home / 18,975.57-26,184.26-11,016.30

Finding the Fourth Proportional to 18,975.57, 26,184.26 and 11,016.30

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Solution

The fourth proportional to 18,975.57, 26,184.26 and 11,016.30 is: 15,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.57 : 26,184.26 = 11,016.30 : x
  2. Step 2: Convert to fraction form
    18,975.57/26,184.26 = 11,016.30/x
  3. Step 3: Cross multiply
    18,975.57x = 26,184.26 × 11,016.30
  4. Step 4: Simplify right side
    18,975.57x = 288,453,789.17
  5. Step 5: Solve for x
    x = 288,453,789.17/18,975.57
  6. Step 6: Final answer
    x = 15,201.33

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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.