Home / 10,455.22-15,683.82-3,435.26

Finding the Fourth Proportional to 10,455.22, 15,683.82 and 3,435.26

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Solution

The fourth proportional to 10,455.22, 15,683.82 and 3,435.26 is: 5,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.22 : 15,683.82 = 3,435.26 : x
  2. Step 2: Convert to fraction form
    10,455.22/15,683.82 = 3,435.26/x
  3. Step 3: Cross multiply
    10,455.22x = 15,683.82 × 3,435.26
  4. Step 4: Simplify right side
    10,455.22x = 53,877,999.49
  5. Step 5: Solve for x
    x = 53,877,999.49/10,455.22
  6. Step 6: Final answer
    x = 5,153.22

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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.