Home / 19,488.17-29,227.39-7,644.35

Finding the Fourth Proportional to 19,488.17, 29,227.39 and 7,644.35

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Solution

The fourth proportional to 19,488.17, 29,227.39 and 7,644.35 is: 11,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.17 : 29,227.39 = 7,644.35 : x
  2. Step 2: Convert to fraction form
    19,488.17/29,227.39 = 7,644.35/x
  3. Step 3: Cross multiply
    19,488.17x = 29,227.39 × 7,644.35
  4. Step 4: Simplify right side
    19,488.17x = 223,424,398.75
  5. Step 5: Solve for x
    x = 223,424,398.75/19,488.17
  6. Step 6: Final answer
    x = 11,464.62

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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.