Home / 19,219.24-28,831.94-8,126.04

Finding the Fourth Proportional to 19,219.24, 28,831.94 and 8,126.04

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Solution

The fourth proportional to 19,219.24, 28,831.94 and 8,126.04 is: 12,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.24 : 28,831.94 = 8,126.04 : x
  2. Step 2: Convert to fraction form
    19,219.24/28,831.94 = 8,126.04/x
  3. Step 3: Cross multiply
    19,219.24x = 28,831.94 × 8,126.04
  4. Step 4: Simplify right side
    19,219.24x = 234,289,457.09
  5. Step 5: Solve for x
    x = 234,289,457.09/19,219.24
  6. Step 6: Final answer
    x = 12,190.36

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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.