Home / 10,268.52-14,172.77-6,489.28

Finding the Fourth Proportional to 10,268.52, 14,172.77 and 6,489.28

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Solution

The fourth proportional to 10,268.52, 14,172.77 and 6,489.28 is: 8,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.52 : 14,172.77 = 6,489.28 : x
  2. Step 2: Convert to fraction form
    10,268.52/14,172.77 = 6,489.28/x
  3. Step 3: Cross multiply
    10,268.52x = 14,172.77 × 6,489.28
  4. Step 4: Simplify right side
    10,268.52x = 91,971,072.91
  5. Step 5: Solve for x
    x = 91,971,072.91/10,268.52
  6. Step 6: Final answer
    x = 8,956.60

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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.