Home / 19,524.30-29,286.18-12,507.72

Finding the Fourth Proportional to 19,524.30, 29,286.18 and 12,507.72

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Solution

The fourth proportional to 19,524.30, 29,286.18 and 12,507.72 is: 18,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,524.30 : 29,286.18 = 12,507.72 : x
  2. Step 2: Convert to fraction form
    19,524.30/29,286.18 = 12,507.72/x
  3. Step 3: Cross multiply
    19,524.30x = 29,286.18 × 12,507.72
  4. Step 4: Simplify right side
    19,524.30x = 366,303,339.31
  5. Step 5: Solve for x
    x = 366,303,339.31/19,524.30
  6. Step 6: Final answer
    x = 18,761.41

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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.