Home / 17,879.20-26,831.77-6,636.14

Finding the Fourth Proportional to 17,879.20, 26,831.77 and 6,636.14

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Solution

The fourth proportional to 17,879.20, 26,831.77 and 6,636.14 is: 9,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.20 : 26,831.77 = 6,636.14 : x
  2. Step 2: Convert to fraction form
    17,879.20/26,831.77 = 6,636.14/x
  3. Step 3: Cross multiply
    17,879.20x = 26,831.77 × 6,636.14
  4. Step 4: Simplify right side
    17,879.20x = 178,059,478.30
  5. Step 5: Solve for x
    x = 178,059,478.30/17,879.20
  6. Step 6: Final answer
    x = 9,959.03

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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.