Home / 10,421.73-15,635.97-3,848.85

Finding the Fourth Proportional to 10,421.73, 15,635.97 and 3,848.85

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Solution

The fourth proportional to 10,421.73, 15,635.97 and 3,848.85 is: 5,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.73 : 15,635.97 = 3,848.85 : x
  2. Step 2: Convert to fraction form
    10,421.73/15,635.97 = 3,848.85/x
  3. Step 3: Cross multiply
    10,421.73x = 15,635.97 × 3,848.85
  4. Step 4: Simplify right side
    10,421.73x = 60,180,503.13
  5. Step 5: Solve for x
    x = 60,180,503.13/10,421.73
  6. Step 6: Final answer
    x = 5,774.52

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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.