Home / 15,911.63-23,878.40-5,523.38

Finding the Fourth Proportional to 15,911.63, 23,878.40 and 5,523.38

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Solution

The fourth proportional to 15,911.63, 23,878.40 and 5,523.38 is: 8,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.63 : 23,878.40 = 5,523.38 : x
  2. Step 2: Convert to fraction form
    15,911.63/23,878.40 = 5,523.38/x
  3. Step 3: Cross multiply
    15,911.63x = 23,878.40 × 5,523.38
  4. Step 4: Simplify right side
    15,911.63x = 131,889,329.98
  5. Step 5: Solve for x
    x = 131,889,329.98/15,911.63
  6. Step 6: Final answer
    x = 8,288.87

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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.