Home / 20,026.94-29,964.06-12,429.41

Finding the Fourth Proportional to 20,026.94, 29,964.06 and 12,429.41

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Solution

The fourth proportional to 20,026.94, 29,964.06 and 12,429.41 is: 18,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.94 : 29,964.06 = 12,429.41 : x
  2. Step 2: Convert to fraction form
    20,026.94/29,964.06 = 12,429.41/x
  3. Step 3: Cross multiply
    20,026.94x = 29,964.06 × 12,429.41
  4. Step 4: Simplify right side
    20,026.94x = 372,435,437.18
  5. Step 5: Solve for x
    x = 372,435,437.18/20,026.94
  6. Step 6: Final answer
    x = 18,596.73

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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.