Home / 12,804.28-19,212.63-5,789.14

Finding the Fourth Proportional to 12,804.28, 19,212.63 and 5,789.14

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Solution

The fourth proportional to 12,804.28, 19,212.63 and 5,789.14 is: 8,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.28 : 19,212.63 = 5,789.14 : x
  2. Step 2: Convert to fraction form
    12,804.28/19,212.63 = 5,789.14/x
  3. Step 3: Cross multiply
    12,804.28x = 19,212.63 × 5,789.14
  4. Step 4: Simplify right side
    12,804.28x = 111,224,604.84
  5. Step 5: Solve for x
    x = 111,224,604.84/12,804.28
  6. Step 6: Final answer
    x = 8,686.52

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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.