Home / 19,039.59-28,554.75-7,946.37

Finding the Fourth Proportional to 19,039.59, 28,554.75 and 7,946.37

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Solution

The fourth proportional to 19,039.59, 28,554.75 and 7,946.37 is: 11,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.59 : 28,554.75 = 7,946.37 : x
  2. Step 2: Convert to fraction form
    19,039.59/28,554.75 = 7,946.37/x
  3. Step 3: Cross multiply
    19,039.59x = 28,554.75 × 7,946.37
  4. Step 4: Simplify right side
    19,039.59x = 226,906,608.76
  5. Step 5: Solve for x
    x = 226,906,608.76/19,039.59
  6. Step 6: Final answer
    x = 11,917.62

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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.