Home / 10,936.40-16,403.72-6,550.68

Finding the Fourth Proportional to 10,936.40, 16,403.72 and 6,550.68

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Solution

The fourth proportional to 10,936.40, 16,403.72 and 6,550.68 is: 9,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.40 : 16,403.72 = 6,550.68 : x
  2. Step 2: Convert to fraction form
    10,936.40/16,403.72 = 6,550.68/x
  3. Step 3: Cross multiply
    10,936.40x = 16,403.72 × 6,550.68
  4. Step 4: Simplify right side
    10,936.40x = 107,455,520.53
  5. Step 5: Solve for x
    x = 107,455,520.53/10,936.40
  6. Step 6: Final answer
    x = 9,825.49

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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.