Home / 19,831.77-29,738.08-11,513.88

Finding the Fourth Proportional to 19,831.77, 29,738.08 and 11,513.88

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Solution

The fourth proportional to 19,831.77, 29,738.08 and 11,513.88 is: 17,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.77 : 29,738.08 = 11,513.88 : x
  2. Step 2: Convert to fraction form
    19,831.77/29,738.08 = 11,513.88/x
  3. Step 3: Cross multiply
    19,831.77x = 29,738.08 × 11,513.88
  4. Step 4: Simplify right side
    19,831.77x = 342,400,684.55
  5. Step 5: Solve for x
    x = 342,400,684.55/19,831.77
  6. Step 6: Final answer
    x = 17,265.26

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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.