Home / 10,202.40-15,305.76-3,276

Finding the Fourth Proportional to 10,202.40, 15,305.76 and 3,276

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Solution

The fourth proportional to 10,202.40, 15,305.76 and 3,276 is: 4,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.40 : 15,305.76 = 3,276 : x
  2. Step 2: Convert to fraction form
    10,202.40/15,305.76 = 3,276/x
  3. Step 3: Cross multiply
    10,202.40x = 15,305.76 × 3,276
  4. Step 4: Simplify right side
    10,202.40x = 50,141,669.76
  5. Step 5: Solve for x
    x = 50,141,669.76/10,202.40
  6. Step 6: Final answer
    x = 4,914.69

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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.