Home / 9,815.12-13,544.88-6,277.04

Finding the Fourth Proportional to 9,815.12, 13,544.88 and 6,277.04

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Solution

The fourth proportional to 9,815.12, 13,544.88 and 6,277.04 is: 8,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.12 : 13,544.88 = 6,277.04 : x
  2. Step 2: Convert to fraction form
    9,815.12/13,544.88 = 6,277.04/x
  3. Step 3: Cross multiply
    9,815.12x = 13,544.88 × 6,277.04
  4. Step 4: Simplify right side
    9,815.12x = 85,021,753.56
  5. Step 5: Solve for x
    x = 85,021,753.56/9,815.12
  6. Step 6: Final answer
    x = 8,662.32

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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.