Home / 12,553.09-17,323.11-7,247.79

Finding the Fourth Proportional to 12,553.09, 17,323.11 and 7,247.79

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Solution

The fourth proportional to 12,553.09, 17,323.11 and 7,247.79 is: 10,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.09 : 17,323.11 = 7,247.79 : x
  2. Step 2: Convert to fraction form
    12,553.09/17,323.11 = 7,247.79/x
  3. Step 3: Cross multiply
    12,553.09x = 17,323.11 × 7,247.79
  4. Step 4: Simplify right side
    12,553.09x = 125,554,263.43
  5. Step 5: Solve for x
    x = 125,554,263.43/12,553.09
  6. Step 6: Final answer
    x = 10,001.86

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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.