Home / 13,973.86-20,960.77-3,585.61

Finding the Fourth Proportional to 13,973.86, 20,960.77 and 3,585.61

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Solution

The fourth proportional to 13,973.86, 20,960.77 and 3,585.61 is: 5,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.86 : 20,960.77 = 3,585.61 : x
  2. Step 2: Convert to fraction form
    13,973.86/20,960.77 = 3,585.61/x
  3. Step 3: Cross multiply
    13,973.86x = 20,960.77 × 3,585.61
  4. Step 4: Simplify right side
    13,973.86x = 75,157,146.52
  5. Step 5: Solve for x
    x = 75,157,146.52/13,973.86
  6. Step 6: Final answer
    x = 5,378.41

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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.