Home / 13,214.42-19,821.72-3,353.68

Finding the Fourth Proportional to 13,214.42, 19,821.72 and 3,353.68

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Solution

The fourth proportional to 13,214.42, 19,821.72 and 3,353.68 is: 5,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.42 : 19,821.72 = 3,353.68 : x
  2. Step 2: Convert to fraction form
    13,214.42/19,821.72 = 3,353.68/x
  3. Step 3: Cross multiply
    13,214.42x = 19,821.72 × 3,353.68
  4. Step 4: Simplify right side
    13,214.42x = 66,475,705.93
  5. Step 5: Solve for x
    x = 66,475,705.93/13,214.42
  6. Step 6: Final answer
    x = 5,030.54

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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.