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Finding the Fourth Proportional to 15,889.91, 23,835.02 and 4,796.69

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Solution

The fourth proportional to 15,889.91, 23,835.02 and 4,796.69 is: 7,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.91 : 23,835.02 = 4,796.69 : x
  2. Step 2: Convert to fraction form
    15,889.91/23,835.02 = 4,796.69/x
  3. Step 3: Cross multiply
    15,889.91x = 23,835.02 × 4,796.69
  4. Step 4: Simplify right side
    15,889.91x = 114,329,094.90
  5. Step 5: Solve for x
    x = 114,329,094.90/15,889.91
  6. Step 6: Final answer
    x = 7,195.08

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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.