Home / 10,550.48-15,815.96-6,385.44

Finding the Fourth Proportional to 10,550.48, 15,815.96 and 6,385.44

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Solution

The fourth proportional to 10,550.48, 15,815.96 and 6,385.44 is: 9,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.48 : 15,815.96 = 6,385.44 : x
  2. Step 2: Convert to fraction form
    10,550.48/15,815.96 = 6,385.44/x
  3. Step 3: Cross multiply
    10,550.48x = 15,815.96 × 6,385.44
  4. Step 4: Simplify right side
    10,550.48x = 100,991,863.62
  5. Step 5: Solve for x
    x = 100,991,863.62/10,550.48
  6. Step 6: Final answer
    x = 9,572.25

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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.