Home / 16,879.45-25,313.10-8,556.70

Finding the Fourth Proportional to 16,879.45, 25,313.10 and 8,556.70

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Solution

The fourth proportional to 16,879.45, 25,313.10 and 8,556.70 is: 12,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.45 : 25,313.10 = 8,556.70 : x
  2. Step 2: Convert to fraction form
    16,879.45/25,313.10 = 8,556.70/x
  3. Step 3: Cross multiply
    16,879.45x = 25,313.10 × 8,556.70
  4. Step 4: Simplify right side
    16,879.45x = 216,596,602.77
  5. Step 5: Solve for x
    x = 216,596,602.77/16,879.45
  6. Step 6: Final answer
    x = 12,831.97

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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.