Home / 14,310.43-19,748.40-7,936.80

Finding the Fourth Proportional to 14,310.43, 19,748.40 and 7,936.80

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Solution

The fourth proportional to 14,310.43, 19,748.40 and 7,936.80 is: 10,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.43 : 19,748.40 = 7,936.80 : x
  2. Step 2: Convert to fraction form
    14,310.43/19,748.40 = 7,936.80/x
  3. Step 3: Cross multiply
    14,310.43x = 19,748.40 × 7,936.80
  4. Step 4: Simplify right side
    14,310.43x = 156,739,120.19
  5. Step 5: Solve for x
    x = 156,739,120.19/14,310.43
  6. Step 6: Final answer
    x = 10,952.79

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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.