Home / 13,001.43-17,942.13-7,895.46

Finding the Fourth Proportional to 13,001.43, 17,942.13 and 7,895.46

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Solution

The fourth proportional to 13,001.43, 17,942.13 and 7,895.46 is: 10,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.43 : 17,942.13 = 7,895.46 : x
  2. Step 2: Convert to fraction form
    13,001.43/17,942.13 = 7,895.46/x
  3. Step 3: Cross multiply
    13,001.43x = 17,942.13 × 7,895.46
  4. Step 4: Simplify right side
    13,001.43x = 141,661,369.73
  5. Step 5: Solve for x
    x = 141,661,369.73/13,001.43
  6. Step 6: Final answer
    x = 10,895.83

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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.