Home / 18,767.80-25,898.97-11,212.44

Finding the Fourth Proportional to 18,767.80, 25,898.97 and 11,212.44

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Solution

The fourth proportional to 18,767.80, 25,898.97 and 11,212.44 is: 15,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.80 : 25,898.97 = 11,212.44 : x
  2. Step 2: Convert to fraction form
    18,767.80/25,898.97 = 11,212.44/x
  3. Step 3: Cross multiply
    18,767.80x = 25,898.97 × 11,212.44
  4. Step 4: Simplify right side
    18,767.80x = 290,390,647.19
  5. Step 5: Solve for x
    x = 290,390,647.19/18,767.80
  6. Step 6: Final answer
    x = 15,472.81

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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.