Home / 19,260.21-28,890.33-7,573.14

Finding the Fourth Proportional to 19,260.21, 28,890.33 and 7,573.14

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Solution

The fourth proportional to 19,260.21, 28,890.33 and 7,573.14 is: 11,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.21 : 28,890.33 = 7,573.14 : x
  2. Step 2: Convert to fraction form
    19,260.21/28,890.33 = 7,573.14/x
  3. Step 3: Cross multiply
    19,260.21x = 28,890.33 × 7,573.14
  4. Step 4: Simplify right side
    19,260.21x = 218,790,513.74
  5. Step 5: Solve for x
    x = 218,790,513.74/19,260.21
  6. Step 6: Final answer
    x = 11,359.72

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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.