Home / 19,015.32-28,503.54-7,323.96

Finding the Fourth Proportional to 19,015.32, 28,503.54 and 7,323.96

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Solution

The fourth proportional to 19,015.32, 28,503.54 and 7,323.96 is: 10,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.32 : 28,503.54 = 7,323.96 : x
  2. Step 2: Convert to fraction form
    19,015.32/28,503.54 = 7,323.96/x
  3. Step 3: Cross multiply
    19,015.32x = 28,503.54 × 7,323.96
  4. Step 4: Simplify right side
    19,015.32x = 208,758,786.82
  5. Step 5: Solve for x
    x = 208,758,786.82/19,015.32
  6. Step 6: Final answer
    x = 10,978.45

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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.