Home / 11,453.00-15,805.17-6,675.78

Finding the Fourth Proportional to 11,453.00, 15,805.17 and 6,675.78

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Solution

The fourth proportional to 11,453.00, 15,805.17 and 6,675.78 is: 9,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.00 : 15,805.17 = 6,675.78 : x
  2. Step 2: Convert to fraction form
    11,453.00/15,805.17 = 6,675.78/x
  3. Step 3: Cross multiply
    11,453.00x = 15,805.17 × 6,675.78
  4. Step 4: Simplify right side
    11,453.00x = 105,511,837.78
  5. Step 5: Solve for x
    x = 105,511,837.78/11,453.00
  6. Step 6: Final answer
    x = 9,212.60

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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.