Home / 12,395.76-17,106.18-7,289.97

Finding the Fourth Proportional to 12,395.76, 17,106.18 and 7,289.97

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Solution

The fourth proportional to 12,395.76, 17,106.18 and 7,289.97 is: 10,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.76 : 17,106.18 = 7,289.97 : x
  2. Step 2: Convert to fraction form
    12,395.76/17,106.18 = 7,289.97/x
  3. Step 3: Cross multiply
    12,395.76x = 17,106.18 × 7,289.97
  4. Step 4: Simplify right side
    12,395.76x = 124,703,596.68
  5. Step 5: Solve for x
    x = 124,703,596.68/12,395.76
  6. Step 6: Final answer
    x = 10,060.18

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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.