Home / 14,376.91-19,734.13-12,769.87

Finding the Fourth Proportional to 14,376.91, 19,734.13 and 12,769.87

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Solution

The fourth proportional to 14,376.91, 19,734.13 and 12,769.87 is: 17,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.91 : 19,734.13 = 12,769.87 : x
  2. Step 2: Convert to fraction form
    14,376.91/19,734.13 = 12,769.87/x
  3. Step 3: Cross multiply
    14,376.91x = 19,734.13 × 12,769.87
  4. Step 4: Simplify right side
    14,376.91x = 252,002,175.99
  5. Step 5: Solve for x
    x = 252,002,175.99/14,376.91
  6. Step 6: Final answer
    x = 17,528.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.