Home / 11,482.41-15,845.55-6,446.85

Finding the Fourth Proportional to 11,482.41, 15,845.55 and 6,446.85

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Solution

The fourth proportional to 11,482.41, 15,845.55 and 6,446.85 is: 8,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.41 : 15,845.55 = 6,446.85 : x
  2. Step 2: Convert to fraction form
    11,482.41/15,845.55 = 6,446.85/x
  3. Step 3: Cross multiply
    11,482.41x = 15,845.55 × 6,446.85
  4. Step 4: Simplify right side
    11,482.41x = 102,153,884.02
  5. Step 5: Solve for x
    x = 102,153,884.02/11,482.41
  6. Step 6: Final answer
    x = 8,896.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.