Home / 18,975.62-26,187.37-11,020.34

Finding the Fourth Proportional to 18,975.62, 26,187.37 and 11,020.34

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Solution

The fourth proportional to 18,975.62, 26,187.37 and 11,020.34 is: 15,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.62 : 26,187.37 = 11,020.34 : x
  2. Step 2: Convert to fraction form
    18,975.62/26,187.37 = 11,020.34/x
  3. Step 3: Cross multiply
    18,975.62x = 26,187.37 × 11,020.34
  4. Step 4: Simplify right side
    18,975.62x = 288,593,721.11
  5. Step 5: Solve for x
    x = 288,593,721.11/18,975.62
  6. Step 6: Final answer
    x = 15,208.66

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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.