Home / 12,843.05-17,718.53-9,493.91

Finding the Fourth Proportional to 12,843.05, 17,718.53 and 9,493.91

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Solution

The fourth proportional to 12,843.05, 17,718.53 and 9,493.91 is: 13,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.05 : 17,718.53 = 9,493.91 : x
  2. Step 2: Convert to fraction form
    12,843.05/17,718.53 = 9,493.91/x
  3. Step 3: Cross multiply
    12,843.05x = 17,718.53 × 9,493.91
  4. Step 4: Simplify right side
    12,843.05x = 168,217,993.09
  5. Step 5: Solve for x
    x = 168,217,993.09/12,843.05
  6. Step 6: Final answer
    x = 13,097.98

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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.