Home / 13,212.13-19,818.16-3,351.39

Finding the Fourth Proportional to 13,212.13, 19,818.16 and 3,351.39

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Solution

The fourth proportional to 13,212.13, 19,818.16 and 3,351.39 is: 5,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.13 : 19,818.16 = 3,351.39 : x
  2. Step 2: Convert to fraction form
    13,212.13/19,818.16 = 3,351.39/x
  3. Step 3: Cross multiply
    13,212.13x = 19,818.16 × 3,351.39
  4. Step 4: Simplify right side
    13,212.13x = 66,418,267.39
  5. Step 5: Solve for x
    x = 66,418,267.39/13,212.13
  6. Step 6: Final answer
    x = 5,027.07

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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.