Home / 10,342.26-14,272.47-6,361.02

Finding the Fourth Proportional to 10,342.26, 14,272.47 and 6,361.02

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Solution

The fourth proportional to 10,342.26, 14,272.47 and 6,361.02 is: 8,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.26 : 14,272.47 = 6,361.02 : x
  2. Step 2: Convert to fraction form
    10,342.26/14,272.47 = 6,361.02/x
  3. Step 3: Cross multiply
    10,342.26x = 14,272.47 × 6,361.02
  4. Step 4: Simplify right side
    10,342.26x = 90,787,467.12
  5. Step 5: Solve for x
    x = 90,787,467.12/10,342.26
  6. Step 6: Final answer
    x = 8,778.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.