Home / 16,712.10-25,048.67-12,288.55

Finding the Fourth Proportional to 16,712.10, 25,048.67 and 12,288.55

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Solution

The fourth proportional to 16,712.10, 25,048.67 and 12,288.55 is: 18,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.10 : 25,048.67 = 12,288.55 : x
  2. Step 2: Convert to fraction form
    16,712.10/25,048.67 = 12,288.55/x
  3. Step 3: Cross multiply
    16,712.10x = 25,048.67 × 12,288.55
  4. Step 4: Simplify right side
    16,712.10x = 307,811,755.97
  5. Step 5: Solve for x
    x = 307,811,755.97/16,712.10
  6. Step 6: Final answer
    x = 18,418.50

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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.