Home / 19,636.75-27,098.50-11,678.80

Finding the Fourth Proportional to 19,636.75, 27,098.50 and 11,678.80

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Solution

The fourth proportional to 19,636.75, 27,098.50 and 11,678.80 is: 16,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.75 : 27,098.50 = 11,678.80 : x
  2. Step 2: Convert to fraction form
    19,636.75/27,098.50 = 11,678.80/x
  3. Step 3: Cross multiply
    19,636.75x = 27,098.50 × 11,678.80
  4. Step 4: Simplify right side
    19,636.75x = 316,477,961.80
  5. Step 5: Solve for x
    x = 316,477,961.80/19,636.75
  6. Step 6: Final answer
    x = 16,116.62

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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.