Home / 13,739.54-18,953.61-8,695.31

Finding the Fourth Proportional to 13,739.54, 18,953.61 and 8,695.31

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Solution

The fourth proportional to 13,739.54, 18,953.61 and 8,695.31 is: 11,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.54 : 18,953.61 = 8,695.31 : x
  2. Step 2: Convert to fraction form
    13,739.54/18,953.61 = 8,695.31/x
  3. Step 3: Cross multiply
    13,739.54x = 18,953.61 × 8,695.31
  4. Step 4: Simplify right side
    13,739.54x = 164,807,514.57
  5. Step 5: Solve for x
    x = 164,807,514.57/13,739.54
  6. Step 6: Final answer
    x = 11,995.13

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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.