Home / 13,214.28-19,821.48-3,353.55

Finding the Fourth Proportional to 13,214.28, 19,821.48 and 3,353.55

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Solution

The fourth proportional to 13,214.28, 19,821.48 and 3,353.55 is: 5,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.28 : 19,821.48 = 3,353.55 : x
  2. Step 2: Convert to fraction form
    13,214.28/19,821.48 = 3,353.55/x
  3. Step 3: Cross multiply
    13,214.28x = 19,821.48 × 3,353.55
  4. Step 4: Simplify right side
    13,214.28x = 66,472,324.25
  5. Step 5: Solve for x
    x = 66,472,324.25/13,214.28
  6. Step 6: Final answer
    x = 5,030.34

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1.5x scale

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.