Home / 19,170.94-28,768.36-7,325.77

Finding the Fourth Proportional to 19,170.94, 28,768.36 and 7,325.77

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Solution

The fourth proportional to 19,170.94, 28,768.36 and 7,325.77 is: 10,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.94 : 28,768.36 = 7,325.77 : x
  2. Step 2: Convert to fraction form
    19,170.94/28,768.36 = 7,325.77/x
  3. Step 3: Cross multiply
    19,170.94x = 28,768.36 × 7,325.77
  4. Step 4: Simplify right side
    19,170.94x = 210,750,298.40
  5. Step 5: Solve for x
    x = 210,750,298.40/19,170.94
  6. Step 6: Final answer
    x = 10,993.22

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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.