Home / 14,974.09-20,664.07-8,260

Finding the Fourth Proportional to 14,974.09, 20,664.07 and 8,260

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Solution

The fourth proportional to 14,974.09, 20,664.07 and 8,260 is: 11,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.09 : 20,664.07 = 8,260 : x
  2. Step 2: Convert to fraction form
    14,974.09/20,664.07 = 8,260/x
  3. Step 3: Cross multiply
    14,974.09x = 20,664.07 × 8,260
  4. Step 4: Simplify right side
    14,974.09x = 170,685,218.20
  5. Step 5: Solve for x
    x = 170,685,218.20/14,974.09
  6. Step 6: Final answer
    x = 11,398.70

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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.