Home / 13,944.02-20,900.23-6,928.92

Finding the Fourth Proportional to 13,944.02, 20,900.23 and 6,928.92

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Solution

The fourth proportional to 13,944.02, 20,900.23 and 6,928.92 is: 10,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.02 : 20,900.23 = 6,928.92 : x
  2. Step 2: Convert to fraction form
    13,944.02/20,900.23 = 6,928.92/x
  3. Step 3: Cross multiply
    13,944.02x = 20,900.23 × 6,928.92
  4. Step 4: Simplify right side
    13,944.02x = 144,816,004.33
  5. Step 5: Solve for x
    x = 144,816,004.33/13,944.02
  6. Step 6: Final answer
    x = 10,385.53

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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.