Home / 13,214.48-19,821.60-3,353.61

Finding the Fourth Proportional to 13,214.48, 19,821.60 and 3,353.61

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Solution

The fourth proportional to 13,214.48, 19,821.60 and 3,353.61 is: 5,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.48 : 19,821.60 = 3,353.61 : x
  2. Step 2: Convert to fraction form
    13,214.48/19,821.60 = 3,353.61/x
  3. Step 3: Cross multiply
    13,214.48x = 19,821.60 × 3,353.61
  4. Step 4: Simplify right side
    13,214.48x = 66,473,990.31
  5. Step 5: Solve for x
    x = 66,473,990.31/13,214.48
  6. Step 6: Final answer
    x = 5,030.39

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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.