Home / 13,904.86-20,857.54-4,544.90

Finding the Fourth Proportional to 13,904.86, 20,857.54 and 4,544.90

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Solution

The fourth proportional to 13,904.86, 20,857.54 and 4,544.90 is: 6,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.86 : 20,857.54 = 4,544.90 : x
  2. Step 2: Convert to fraction form
    13,904.86/20,857.54 = 4,544.90/x
  3. Step 3: Cross multiply
    13,904.86x = 20,857.54 × 4,544.90
  4. Step 4: Simplify right side
    13,904.86x = 94,795,433.55
  5. Step 5: Solve for x
    x = 94,795,433.55/13,904.86
  6. Step 6: Final answer
    x = 6,817.43

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1.5x scale

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.