Home / 13,078.06-19,619.43-4,769.74

Finding the Fourth Proportional to 13,078.06, 19,619.43 and 4,769.74

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Solution

The fourth proportional to 13,078.06, 19,619.43 and 4,769.74 is: 7,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.06 : 19,619.43 = 4,769.74 : x
  2. Step 2: Convert to fraction form
    13,078.06/19,619.43 = 4,769.74/x
  3. Step 3: Cross multiply
    13,078.06x = 19,619.43 × 4,769.74
  4. Step 4: Simplify right side
    13,078.06x = 93,579,580.05
  5. Step 5: Solve for x
    x = 93,579,580.05/13,078.06
  6. Step 6: Final answer
    x = 7,155.46

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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.