Home / 15,139.36-22,716.60-9,884.64

Finding the Fourth Proportional to 15,139.36, 22,716.60 and 9,884.64

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Solution

The fourth proportional to 15,139.36, 22,716.60 and 9,884.64 is: 14,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.36 : 22,716.60 = 9,884.64 : x
  2. Step 2: Convert to fraction form
    15,139.36/22,716.60 = 9,884.64/x
  3. Step 3: Cross multiply
    15,139.36x = 22,716.60 × 9,884.64
  4. Step 4: Simplify right side
    15,139.36x = 224,545,413.02
  5. Step 5: Solve for x
    x = 224,545,413.02/15,139.36
  6. Step 6: Final answer
    x = 14,831.90

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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.