Home / 14,615.39-21,919.93-4,620.92

Finding the Fourth Proportional to 14,615.39, 21,919.93 and 4,620.92

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Solution

The fourth proportional to 14,615.39, 21,919.93 and 4,620.92 is: 6,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.39 : 21,919.93 = 4,620.92 : x
  2. Step 2: Convert to fraction form
    14,615.39/21,919.93 = 4,620.92/x
  3. Step 3: Cross multiply
    14,615.39x = 21,919.93 × 4,620.92
  4. Step 4: Simplify right side
    14,615.39x = 101,290,147.78
  5. Step 5: Solve for x
    x = 101,290,147.78/14,615.39
  6. Step 6: Final answer
    x = 6,930.38

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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.