Home / 13,214.19-19,821.32-3,353.46

Finding the Fourth Proportional to 13,214.19, 19,821.32 and 3,353.46

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Solution

The fourth proportional to 13,214.19, 19,821.32 and 3,353.46 is: 5,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.19 : 19,821.32 = 3,353.46 : x
  2. Step 2: Convert to fraction form
    13,214.19/19,821.32 = 3,353.46/x
  3. Step 3: Cross multiply
    13,214.19x = 19,821.32 × 3,353.46
  4. Step 4: Simplify right side
    13,214.19x = 66,470,003.77
  5. Step 5: Solve for x
    x = 66,470,003.77/13,214.19
  6. Step 6: Final answer
    x = 5,030.20

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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.