Home / 11,181.67-15,427.33-6,703.79

Finding the Fourth Proportional to 11,181.67, 15,427.33 and 6,703.79

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Solution

The fourth proportional to 11,181.67, 15,427.33 and 6,703.79 is: 9,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.67 : 15,427.33 = 6,703.79 : x
  2. Step 2: Convert to fraction form
    11,181.67/15,427.33 = 6,703.79/x
  3. Step 3: Cross multiply
    11,181.67x = 15,427.33 × 6,703.79
  4. Step 4: Simplify right side
    11,181.67x = 103,421,580.58
  5. Step 5: Solve for x
    x = 103,421,580.58/11,181.67
  6. Step 6: Final answer
    x = 9,249.21

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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.