Home / 11,856.96-17,779.56-6,927.84

Finding the Fourth Proportional to 11,856.96, 17,779.56 and 6,927.84

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Solution

The fourth proportional to 11,856.96, 17,779.56 and 6,927.84 is: 10,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.96 : 17,779.56 = 6,927.84 : x
  2. Step 2: Convert to fraction form
    11,856.96/17,779.56 = 6,927.84/x
  3. Step 3: Cross multiply
    11,856.96x = 17,779.56 × 6,927.84
  4. Step 4: Simplify right side
    11,856.96x = 123,173,946.95
  5. Step 5: Solve for x
    x = 123,173,946.95/11,856.96
  6. Step 6: Final answer
    x = 10,388.32

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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.