Home / 10,159.78-15,232.52-3,914.54

Finding the Fourth Proportional to 10,159.78, 15,232.52 and 3,914.54

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Solution

The fourth proportional to 10,159.78, 15,232.52 and 3,914.54 is: 5,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.78 : 15,232.52 = 3,914.54 : x
  2. Step 2: Convert to fraction form
    10,159.78/15,232.52 = 3,914.54/x
  3. Step 3: Cross multiply
    10,159.78x = 15,232.52 × 3,914.54
  4. Step 4: Simplify right side
    10,159.78x = 59,628,308.84
  5. Step 5: Solve for x
    x = 59,628,308.84/10,159.78
  6. Step 6: Final answer
    x = 5,869.06

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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.