Home / 14,251.72-19,672.92-12,757.05

Finding the Fourth Proportional to 14,251.72, 19,672.92 and 12,757.05

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Solution

The fourth proportional to 14,251.72, 19,672.92 and 12,757.05 is: 17,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.72 : 19,672.92 = 12,757.05 : x
  2. Step 2: Convert to fraction form
    14,251.72/19,672.92 = 12,757.05/x
  3. Step 3: Cross multiply
    14,251.72x = 19,672.92 × 12,757.05
  4. Step 4: Simplify right side
    14,251.72x = 250,968,424.09
  5. Step 5: Solve for x
    x = 250,968,424.09/14,251.72
  6. Step 6: Final answer
    x = 17,609.70

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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.