Home / 10,135.54-15,203.31-3,209.50

Finding the Fourth Proportional to 10,135.54, 15,203.31 and 3,209.50

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Solution

The fourth proportional to 10,135.54, 15,203.31 and 3,209.50 is: 4,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.54 : 15,203.31 = 3,209.50 : x
  2. Step 2: Convert to fraction form
    10,135.54/15,203.31 = 3,209.50/x
  3. Step 3: Cross multiply
    10,135.54x = 15,203.31 × 3,209.50
  4. Step 4: Simplify right side
    10,135.54x = 48,795,023.45
  5. Step 5: Solve for x
    x = 48,795,023.45/10,135.54
  6. Step 6: Final answer
    x = 4,814.25

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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.