Home / 15,556.86-23,342.80-7,655.09

Finding the Fourth Proportional to 15,556.86, 23,342.80 and 7,655.09

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Solution

The fourth proportional to 15,556.86, 23,342.80 and 7,655.09 is: 11,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.86 : 23,342.80 = 7,655.09 : x
  2. Step 2: Convert to fraction form
    15,556.86/23,342.80 = 7,655.09/x
  3. Step 3: Cross multiply
    15,556.86x = 23,342.80 × 7,655.09
  4. Step 4: Simplify right side
    15,556.86x = 178,691,234.85
  5. Step 5: Solve for x
    x = 178,691,234.85/15,556.86
  6. Step 6: Final answer
    x = 11,486.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.