Home / 19,299.24-28,926.18-8,199

Finding the Fourth Proportional to 19,299.24, 28,926.18 and 8,199

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Solution

The fourth proportional to 19,299.24, 28,926.18 and 8,199 is: 12,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.24 : 28,926.18 = 8,199 : x
  2. Step 2: Convert to fraction form
    19,299.24/28,926.18 = 8,199/x
  3. Step 3: Cross multiply
    19,299.24x = 28,926.18 × 8,199
  4. Step 4: Simplify right side
    19,299.24x = 237,165,749.82
  5. Step 5: Solve for x
    x = 237,165,749.82/19,299.24
  6. Step 6: Final answer
    x = 12,288.86

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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.