Home / 13,230.96-19,849.70-6,111.88

Finding the Fourth Proportional to 13,230.96, 19,849.70 and 6,111.88

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Solution

The fourth proportional to 13,230.96, 19,849.70 and 6,111.88 is: 9,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.96 : 19,849.70 = 6,111.88 : x
  2. Step 2: Convert to fraction form
    13,230.96/19,849.70 = 6,111.88/x
  3. Step 3: Cross multiply
    13,230.96x = 19,849.70 × 6,111.88
  4. Step 4: Simplify right side
    13,230.96x = 121,318,984.44
  5. Step 5: Solve for x
    x = 121,318,984.44/13,230.96
  6. Step 6: Final answer
    x = 9,169.33

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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.