Home / 10,412.58-15,618.90-3,835.92

Finding the Fourth Proportional to 10,412.58, 15,618.90 and 3,835.92

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Solution

The fourth proportional to 10,412.58, 15,618.90 and 3,835.92 is: 5,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.58 : 15,618.90 = 3,835.92 : x
  2. Step 2: Convert to fraction form
    10,412.58/15,618.90 = 3,835.92/x
  3. Step 3: Cross multiply
    10,412.58x = 15,618.90 × 3,835.92
  4. Step 4: Simplify right side
    10,412.58x = 59,912,850.89
  5. Step 5: Solve for x
    x = 59,912,850.89/10,412.58
  6. Step 6: Final answer
    x = 5,753.89

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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.