Home / 19,219.23-28,831.91-8,126.01

Finding the Fourth Proportional to 19,219.23, 28,831.91 and 8,126.01

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Solution

The fourth proportional to 19,219.23, 28,831.91 and 8,126.01 is: 12,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.23 : 28,831.91 = 8,126.01 : x
  2. Step 2: Convert to fraction form
    19,219.23/28,831.91 = 8,126.01/x
  3. Step 3: Cross multiply
    19,219.23x = 28,831.91 × 8,126.01
  4. Step 4: Simplify right side
    19,219.23x = 234,288,348.35
  5. Step 5: Solve for x
    x = 234,288,348.35/19,219.23
  6. Step 6: Final answer
    x = 12,190.31

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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.