Home / 10,454.64-15,683.48-3,531.12

Finding the Fourth Proportional to 10,454.64, 15,683.48 and 3,531.12

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Solution

The fourth proportional to 10,454.64, 15,683.48 and 3,531.12 is: 5,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.64 : 15,683.48 = 3,531.12 : x
  2. Step 2: Convert to fraction form
    10,454.64/15,683.48 = 3,531.12/x
  3. Step 3: Cross multiply
    10,454.64x = 15,683.48 × 3,531.12
  4. Step 4: Simplify right side
    10,454.64x = 55,380,249.90
  5. Step 5: Solve for x
    x = 55,380,249.90/10,454.64
  6. Step 6: Final answer
    x = 5,297.19

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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.