Home / 13,953.41-20,929.96-3,423.33

Finding the Fourth Proportional to 13,953.41, 20,929.96 and 3,423.33

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Solution

The fourth proportional to 13,953.41, 20,929.96 and 3,423.33 is: 5,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.41 : 20,929.96 = 3,423.33 : x
  2. Step 2: Convert to fraction form
    13,953.41/20,929.96 = 3,423.33/x
  3. Step 3: Cross multiply
    13,953.41x = 20,929.96 × 3,423.33
  4. Step 4: Simplify right side
    13,953.41x = 71,650,151.41
  5. Step 5: Solve for x
    x = 71,650,151.41/13,953.41
  6. Step 6: Final answer
    x = 5,134.96

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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.