Home / 14,585.06-20,129.82-11,042.12

Finding the Fourth Proportional to 14,585.06, 20,129.82 and 11,042.12

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Solution

The fourth proportional to 14,585.06, 20,129.82 and 11,042.12 is: 15,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.06 : 20,129.82 = 11,042.12 : x
  2. Step 2: Convert to fraction form
    14,585.06/20,129.82 = 11,042.12/x
  3. Step 3: Cross multiply
    14,585.06x = 20,129.82 × 11,042.12
  4. Step 4: Simplify right side
    14,585.06x = 222,275,896.93
  5. Step 5: Solve for x
    x = 222,275,896.93/14,585.06
  6. Step 6: Final answer
    x = 15,239.97

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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.