Home / 12,619.04-18,928.40-4,826.02

Finding the Fourth Proportional to 12,619.04, 18,928.40 and 4,826.02

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Solution

The fourth proportional to 12,619.04, 18,928.40 and 4,826.02 is: 7,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.04 : 18,928.40 = 4,826.02 : x
  2. Step 2: Convert to fraction form
    12,619.04/18,928.40 = 4,826.02/x
  3. Step 3: Cross multiply
    12,619.04x = 18,928.40 × 4,826.02
  4. Step 4: Simplify right side
    12,619.04x = 91,348,836.97
  5. Step 5: Solve for x
    x = 91,348,836.97/12,619.04
  6. Step 6: Final answer
    x = 7,238.97

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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.