Home / 8,688.14-13,022.14-3,998.31

Finding the Fourth Proportional to 8,688.14, 13,022.14 and 3,998.31

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Solution

The fourth proportional to 8,688.14, 13,022.14 and 3,998.31 is: 5,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.14 : 13,022.14 = 3,998.31 : x
  2. Step 2: Convert to fraction form
    8,688.14/13,022.14 = 3,998.31/x
  3. Step 3: Cross multiply
    8,688.14x = 13,022.14 × 3,998.31
  4. Step 4: Simplify right side
    8,688.14x = 52,066,552.58
  5. Step 5: Solve for x
    x = 52,066,552.58/8,688.14
  6. Step 6: Final answer
    x = 5,992.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.