Home / 12,873.13-19,302.57-6,957.09

Finding the Fourth Proportional to 12,873.13, 19,302.57 and 6,957.09

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Solution

The fourth proportional to 12,873.13, 19,302.57 and 6,957.09 is: 10,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.13 : 19,302.57 = 6,957.09 : x
  2. Step 2: Convert to fraction form
    12,873.13/19,302.57 = 6,957.09/x
  3. Step 3: Cross multiply
    12,873.13x = 19,302.57 × 6,957.09
  4. Step 4: Simplify right side
    12,873.13x = 134,289,716.72
  5. Step 5: Solve for x
    x = 134,289,716.72/12,873.13
  6. Step 6: Final answer
    x = 10,431.79

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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.