Home / 21,744.41-30,007.40-12,184.32

Finding the Fourth Proportional to 21,744.41, 30,007.40 and 12,184.32

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Solution

The fourth proportional to 21,744.41, 30,007.40 and 12,184.32 is: 16,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.41 : 30,007.40 = 12,184.32 : x
  2. Step 2: Convert to fraction form
    21,744.41/30,007.40 = 12,184.32/x
  3. Step 3: Cross multiply
    21,744.41x = 30,007.40 × 12,184.32
  4. Step 4: Simplify right side
    21,744.41x = 365,619,553.01
  5. Step 5: Solve for x
    x = 365,619,553.01/21,744.41
  6. Step 6: Final answer
    x = 16,814.42

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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.