Home / 10,425.39-15,638.13-2,634.21

Finding the Fourth Proportional to 10,425.39, 15,638.13 and 2,634.21

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Solution

The fourth proportional to 10,425.39, 15,638.13 and 2,634.21 is: 3,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.39 : 15,638.13 = 2,634.21 : x
  2. Step 2: Convert to fraction form
    10,425.39/15,638.13 = 2,634.21/x
  3. Step 3: Cross multiply
    10,425.39x = 15,638.13 × 2,634.21
  4. Step 4: Simplify right side
    10,425.39x = 41,194,118.43
  5. Step 5: Solve for x
    x = 41,194,118.43/10,425.39
  6. Step 6: Final answer
    x = 3,951.33

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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.