Home / 15,461.52-23,195.94-12,310.87

Finding the Fourth Proportional to 15,461.52, 23,195.94 and 12,310.87

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Solution

The fourth proportional to 15,461.52, 23,195.94 and 12,310.87 is: 18,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.52 : 23,195.94 = 12,310.87 : x
  2. Step 2: Convert to fraction form
    15,461.52/23,195.94 = 12,310.87/x
  3. Step 3: Cross multiply
    15,461.52x = 23,195.94 × 12,310.87
  4. Step 4: Simplify right side
    15,461.52x = 285,562,201.87
  5. Step 5: Solve for x
    x = 285,562,201.87/15,461.52
  6. Step 6: Final answer
    x = 18,469.22

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1.5x scale

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.