Home / 10,455.82-15,687.81-4,608.32

Finding the Fourth Proportional to 10,455.82, 15,687.81 and 4,608.32

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Solution

The fourth proportional to 10,455.82, 15,687.81 and 4,608.32 is: 6,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.82 : 15,687.81 = 4,608.32 : x
  2. Step 2: Convert to fraction form
    10,455.82/15,687.81 = 4,608.32/x
  3. Step 3: Cross multiply
    10,455.82x = 15,687.81 × 4,608.32
  4. Step 4: Simplify right side
    10,455.82x = 72,294,448.58
  5. Step 5: Solve for x
    x = 72,294,448.58/10,455.82
  6. Step 6: Final answer
    x = 6,914.28

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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.