Home / 15,800.13-21,804.17-8,727.00

Finding the Fourth Proportional to 15,800.13, 21,804.17 and 8,727.00

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Solution

The fourth proportional to 15,800.13, 21,804.17 and 8,727.00 is: 12,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.13 : 21,804.17 = 8,727.00 : x
  2. Step 2: Convert to fraction form
    15,800.13/21,804.17 = 8,727.00/x
  3. Step 3: Cross multiply
    15,800.13x = 21,804.17 × 8,727.00
  4. Step 4: Simplify right side
    15,800.13x = 190,285,067.92
  5. Step 5: Solve for x
    x = 190,285,067.92/15,800.13
  6. Step 6: Final answer
    x = 12,043.26

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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.