Home / 18,975.53-26,187.65-11,018.96

Finding the Fourth Proportional to 18,975.53, 26,187.65 and 11,018.96

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Solution

The fourth proportional to 18,975.53, 26,187.65 and 11,018.96 is: 15,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.53 : 26,187.65 = 11,018.96 : x
  2. Step 2: Convert to fraction form
    18,975.53/26,187.65 = 11,018.96/x
  3. Step 3: Cross multiply
    18,975.53x = 26,187.65 × 11,018.96
  4. Step 4: Simplify right side
    18,975.53x = 288,560,481.81
  5. Step 5: Solve for x
    x = 288,560,481.81/18,975.53
  6. Step 6: Final answer
    x = 15,206.98

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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.