Home / 13,831.61-20,749.46-4,468.51

Finding the Fourth Proportional to 13,831.61, 20,749.46 and 4,468.51

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Solution

The fourth proportional to 13,831.61, 20,749.46 and 4,468.51 is: 6,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.61 : 20,749.46 = 4,468.51 : x
  2. Step 2: Convert to fraction form
    13,831.61/20,749.46 = 4,468.51/x
  3. Step 3: Cross multiply
    13,831.61x = 20,749.46 × 4,468.51
  4. Step 4: Simplify right side
    13,831.61x = 92,719,169.50
  5. Step 5: Solve for x
    x = 92,719,169.50/13,831.61
  6. Step 6: Final answer
    x = 6,703.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.