Home / 13,884.74-20,831.15-4,999.92

Finding the Fourth Proportional to 13,884.74, 20,831.15 and 4,999.92

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Solution

The fourth proportional to 13,884.74, 20,831.15 and 4,999.92 is: 7,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.74 : 20,831.15 = 4,999.92 : x
  2. Step 2: Convert to fraction form
    13,884.74/20,831.15 = 4,999.92/x
  3. Step 3: Cross multiply
    13,884.74x = 20,831.15 × 4,999.92
  4. Step 4: Simplify right side
    13,884.74x = 104,154,017.89
  5. Step 5: Solve for x
    x = 104,154,017.89/13,884.74
  6. Step 6: Final answer
    x = 7,501.33

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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.