Home / 8,725.73-13,136.06-7,950.72

Finding the Fourth Proportional to 8,725.73, 13,136.06 and 7,950.72

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Solution

The fourth proportional to 8,725.73, 13,136.06 and 7,950.72 is: 11,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.73 : 13,136.06 = 7,950.72 : x
  2. Step 2: Convert to fraction form
    8,725.73/13,136.06 = 7,950.72/x
  3. Step 3: Cross multiply
    8,725.73x = 13,136.06 × 7,950.72
  4. Step 4: Simplify right side
    8,725.73x = 104,441,095.21
  5. Step 5: Solve for x
    x = 104,441,095.21/8,725.73
  6. Step 6: Final answer
    x = 11,969.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.