Home / 12,684.19-19,026.41-5,664.56

Finding the Fourth Proportional to 12,684.19, 19,026.41 and 5,664.56

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Solution

The fourth proportional to 12,684.19, 19,026.41 and 5,664.56 is: 8,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.19 : 19,026.41 = 5,664.56 : x
  2. Step 2: Convert to fraction form
    12,684.19/19,026.41 = 5,664.56/x
  3. Step 3: Cross multiply
    12,684.19x = 19,026.41 × 5,664.56
  4. Step 4: Simplify right side
    12,684.19x = 107,776,241.03
  5. Step 5: Solve for x
    x = 107,776,241.03/12,684.19
  6. Step 6: Final answer
    x = 8,496.90

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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.