Home / 11,852.19-17,779.31-3,087.09

Finding the Fourth Proportional to 11,852.19, 17,779.31 and 3,087.09

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Solution

The fourth proportional to 11,852.19, 17,779.31 and 3,087.09 is: 4,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.19 : 17,779.31 = 3,087.09 : x
  2. Step 2: Convert to fraction form
    11,852.19/17,779.31 = 3,087.09/x
  3. Step 3: Cross multiply
    11,852.19x = 17,779.31 × 3,087.09
  4. Step 4: Simplify right side
    11,852.19x = 54,886,314.67
  5. Step 5: Solve for x
    x = 54,886,314.67/11,852.19
  6. Step 6: Final answer
    x = 4,630.90

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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.