Home / 19,686.14-29,529.51-10,976.41

Finding the Fourth Proportional to 19,686.14, 29,529.51 and 10,976.41

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Solution

The fourth proportional to 19,686.14, 29,529.51 and 10,976.41 is: 16,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.14 : 29,529.51 = 10,976.41 : x
  2. Step 2: Convert to fraction form
    19,686.14/29,529.51 = 10,976.41/x
  3. Step 3: Cross multiply
    19,686.14x = 29,529.51 × 10,976.41
  4. Step 4: Simplify right side
    19,686.14x = 324,128,066.35
  5. Step 5: Solve for x
    x = 324,128,066.35/19,686.14
  6. Step 6: Final answer
    x = 16,464.79

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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.