Home / 12,806.28-19,212.72-4,041.36

Finding the Fourth Proportional to 12,806.28, 19,212.72 and 4,041.36

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Solution

The fourth proportional to 12,806.28, 19,212.72 and 4,041.36 is: 6,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.28 : 19,212.72 = 4,041.36 : x
  2. Step 2: Convert to fraction form
    12,806.28/19,212.72 = 4,041.36/x
  3. Step 3: Cross multiply
    12,806.28x = 19,212.72 × 4,041.36
  4. Step 4: Simplify right side
    12,806.28x = 77,645,518.10
  5. Step 5: Solve for x
    x = 77,645,518.10/12,806.28
  6. Step 6: Final answer
    x = 6,063.08

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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.