Home / 18,600.32-25,650.87-12,215.66

Finding the Fourth Proportional to 18,600.32, 25,650.87 and 12,215.66

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Solution

The fourth proportional to 18,600.32, 25,650.87 and 12,215.66 is: 16,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.32 : 25,650.87 = 12,215.66 : x
  2. Step 2: Convert to fraction form
    18,600.32/25,650.87 = 12,215.66/x
  3. Step 3: Cross multiply
    18,600.32x = 25,650.87 × 12,215.66
  4. Step 4: Simplify right side
    18,600.32x = 313,342,306.62
  5. Step 5: Solve for x
    x = 313,342,306.62/18,600.32
  6. Step 6: Final answer
    x = 16,846.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.