Home / 13,601.15-20,389.42-4,834.02

Finding the Fourth Proportional to 13,601.15, 20,389.42 and 4,834.02

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Solution

The fourth proportional to 13,601.15, 20,389.42 and 4,834.02 is: 7,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.15 : 20,389.42 = 4,834.02 : x
  2. Step 2: Convert to fraction form
    13,601.15/20,389.42 = 4,834.02/x
  3. Step 3: Cross multiply
    13,601.15x = 20,389.42 × 4,834.02
  4. Step 4: Simplify right side
    13,601.15x = 98,562,831.88
  5. Step 5: Solve for x
    x = 98,562,831.88/13,601.15
  6. Step 6: Final answer
    x = 7,246.65

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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.