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Finding the Fourth Proportional to 15,269.54, 22,889.73 and 4,874.54

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Solution

The fourth proportional to 15,269.54, 22,889.73 and 4,874.54 is: 7,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.54 : 22,889.73 = 4,874.54 : x
  2. Step 2: Convert to fraction form
    15,269.54/22,889.73 = 4,874.54/x
  3. Step 3: Cross multiply
    15,269.54x = 22,889.73 × 4,874.54
  4. Step 4: Simplify right side
    15,269.54x = 111,576,904.47
  5. Step 5: Solve for x
    x = 111,576,904.47/15,269.54
  6. Step 6: Final answer
    x = 7,307.16

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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.