Home / 13,134.24-18,124.52-7,470.37

Finding the Fourth Proportional to 13,134.24, 18,124.52 and 7,470.37

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Solution

The fourth proportional to 13,134.24, 18,124.52 and 7,470.37 is: 10,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.24 : 18,124.52 = 7,470.37 : x
  2. Step 2: Convert to fraction form
    13,134.24/18,124.52 = 7,470.37/x
  3. Step 3: Cross multiply
    13,134.24x = 18,124.52 × 7,470.37
  4. Step 4: Simplify right side
    13,134.24x = 135,396,855.78
  5. Step 5: Solve for x
    x = 135,396,855.78/13,134.24
  6. Step 6: Final answer
    x = 10,308.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.