Home / 19,202.18-28,805.71-7,513.88

Finding the Fourth Proportional to 19,202.18, 28,805.71 and 7,513.88

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Solution

The fourth proportional to 19,202.18, 28,805.71 and 7,513.88 is: 11,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.18 : 28,805.71 = 7,513.88 : x
  2. Step 2: Convert to fraction form
    19,202.18/28,805.71 = 7,513.88/x
  3. Step 3: Cross multiply
    19,202.18x = 28,805.71 × 7,513.88
  4. Step 4: Simplify right side
    19,202.18x = 216,442,661.56
  5. Step 5: Solve for x
    x = 216,442,661.56/19,202.18
  6. Step 6: Final answer
    x = 11,271.78

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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.