Home / 13,550.73-20,311.27-6,977.31

Finding the Fourth Proportional to 13,550.73, 20,311.27 and 6,977.31

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Solution

The fourth proportional to 13,550.73, 20,311.27 and 6,977.31 is: 10,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.73 : 20,311.27 = 6,977.31 : x
  2. Step 2: Convert to fraction form
    13,550.73/20,311.27 = 6,977.31/x
  3. Step 3: Cross multiply
    13,550.73x = 20,311.27 × 6,977.31
  4. Step 4: Simplify right side
    13,550.73x = 141,718,009.84
  5. Step 5: Solve for x
    x = 141,718,009.84/13,550.73
  6. Step 6: Final answer
    x = 10,458.33

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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.