Home / 18,788.82-25,926.80-11,233.65

Finding the Fourth Proportional to 18,788.82, 25,926.80 and 11,233.65

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Solution

The fourth proportional to 18,788.82, 25,926.80 and 11,233.65 is: 15,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.82 : 25,926.80 = 11,233.65 : x
  2. Step 2: Convert to fraction form
    18,788.82/25,926.80 = 11,233.65/x
  3. Step 3: Cross multiply
    18,788.82x = 25,926.80 × 11,233.65
  4. Step 4: Simplify right side
    18,788.82x = 291,252,596.82
  5. Step 5: Solve for x
    x = 291,252,596.82/18,788.82
  6. Step 6: Final answer
    x = 15,501.38

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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.