Home / 21,778.76-32,668.52-6,196.80

Finding the Fourth Proportional to 21,778.76, 32,668.52 and 6,196.80

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Solution

The fourth proportional to 21,778.76, 32,668.52 and 6,196.80 is: 9,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.76 : 32,668.52 = 6,196.80 : x
  2. Step 2: Convert to fraction form
    21,778.76/32,668.52 = 6,196.80/x
  3. Step 3: Cross multiply
    21,778.76x = 32,668.52 × 6,196.80
  4. Step 4: Simplify right side
    21,778.76x = 202,440,284.74
  5. Step 5: Solve for x
    x = 202,440,284.74/21,778.76
  6. Step 6: Final answer
    x = 9,295.31

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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.