Home / 10,346.88-15,520.93-3,230.15

Finding the Fourth Proportional to 10,346.88, 15,520.93 and 3,230.15

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Solution

The fourth proportional to 10,346.88, 15,520.93 and 3,230.15 is: 4,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.88 : 15,520.93 = 3,230.15 : x
  2. Step 2: Convert to fraction form
    10,346.88/15,520.93 = 3,230.15/x
  3. Step 3: Cross multiply
    10,346.88x = 15,520.93 × 3,230.15
  4. Step 4: Simplify right side
    10,346.88x = 50,134,962.77
  5. Step 5: Solve for x
    x = 50,134,962.77/10,346.88
  6. Step 6: Final answer
    x = 4,845.42

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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.