Home / 10,425.82-15,637.92-4,185.58

Finding the Fourth Proportional to 10,425.82, 15,637.92 and 4,185.58

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Solution

The fourth proportional to 10,425.82, 15,637.92 and 4,185.58 is: 6,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.82 : 15,637.92 = 4,185.58 : x
  2. Step 2: Convert to fraction form
    10,425.82/15,637.92 = 4,185.58/x
  3. Step 3: Cross multiply
    10,425.82x = 15,637.92 × 4,185.58
  4. Step 4: Simplify right side
    10,425.82x = 65,453,765.19
  5. Step 5: Solve for x
    x = 65,453,765.19/10,425.82
  6. Step 6: Final answer
    x = 6,278.04

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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.