Home / 18,802.69-28,194.82-7,706.36

Finding the Fourth Proportional to 18,802.69, 28,194.82 and 7,706.36

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Solution

The fourth proportional to 18,802.69, 28,194.82 and 7,706.36 is: 11,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.69 : 28,194.82 = 7,706.36 : x
  2. Step 2: Convert to fraction form
    18,802.69/28,194.82 = 7,706.36/x
  3. Step 3: Cross multiply
    18,802.69x = 28,194.82 × 7,706.36
  4. Step 4: Simplify right side
    18,802.69x = 217,279,484.28
  5. Step 5: Solve for x
    x = 217,279,484.28/18,802.69
  6. Step 6: Final answer
    x = 11,555.77

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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.