Home / 19,056.44-26,295.62-10,990

Finding the Fourth Proportional to 19,056.44, 26,295.62 and 10,990

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Solution

The fourth proportional to 19,056.44, 26,295.62 and 10,990 is: 15,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.44 : 26,295.62 = 10,990 : x
  2. Step 2: Convert to fraction form
    19,056.44/26,295.62 = 10,990/x
  3. Step 3: Cross multiply
    19,056.44x = 26,295.62 × 10,990
  4. Step 4: Simplify right side
    19,056.44x = 288,988,863.80
  5. Step 5: Solve for x
    x = 288,988,863.80/19,056.44
  6. Step 6: Final answer
    x = 15,164.89

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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.