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Finding the Fourth Proportional to 15,800.36, 21,804.24 and 8,727.16

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Solution

The fourth proportional to 15,800.36, 21,804.24 and 8,727.16 is: 12,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.36 : 21,804.24 = 8,727.16 : x
  2. Step 2: Convert to fraction form
    15,800.36/21,804.24 = 8,727.16/x
  3. Step 3: Cross multiply
    15,800.36x = 21,804.24 × 8,727.16
  4. Step 4: Simplify right side
    15,800.36x = 190,289,091.16
  5. Step 5: Solve for x
    x = 190,289,091.16/15,800.36
  6. Step 6: Final answer
    x = 12,043.34

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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.