Home / 21,779.07-32,668.62-6,196.70

Finding the Fourth Proportional to 21,779.07, 32,668.62 and 6,196.70

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Solution

The fourth proportional to 21,779.07, 32,668.62 and 6,196.70 is: 9,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.07 : 32,668.62 = 6,196.70 : x
  2. Step 2: Convert to fraction form
    21,779.07/32,668.62 = 6,196.70/x
  3. Step 3: Cross multiply
    21,779.07x = 32,668.62 × 6,196.70
  4. Step 4: Simplify right side
    21,779.07x = 202,437,474.21
  5. Step 5: Solve for x
    x = 202,437,474.21/21,779.07
  6. Step 6: Final answer
    x = 9,295.05

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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.