Home / 11,779.80-16,257.42-6,744.84

Finding the Fourth Proportional to 11,779.80, 16,257.42 and 6,744.84

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Solution

The fourth proportional to 11,779.80, 16,257.42 and 6,744.84 is: 9,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.80 : 16,257.42 = 6,744.84 : x
  2. Step 2: Convert to fraction form
    11,779.80/16,257.42 = 6,744.84/x
  3. Step 3: Cross multiply
    11,779.80x = 16,257.42 × 6,744.84
  4. Step 4: Simplify right side
    11,779.80x = 109,653,696.71
  5. Step 5: Solve for x
    x = 109,653,696.71/11,779.80
  6. Step 6: Final answer
    x = 9,308.62

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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.