Home / 19,927.50-29,891.25-6,779.58

Finding the Fourth Proportional to 19,927.50, 29,891.25 and 6,779.58

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Solution

The fourth proportional to 19,927.50, 29,891.25 and 6,779.58 is: 10,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.50 : 29,891.25 = 6,779.58 : x
  2. Step 2: Convert to fraction form
    19,927.50/29,891.25 = 6,779.58/x
  3. Step 3: Cross multiply
    19,927.50x = 29,891.25 × 6,779.58
  4. Step 4: Simplify right side
    19,927.50x = 202,650,120.68
  5. Step 5: Solve for x
    x = 202,650,120.68/19,927.50
  6. Step 6: Final answer
    x = 10,169.37

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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.