Home / 12,444.27-17,172.31-6,855.27

Finding the Fourth Proportional to 12,444.27, 17,172.31 and 6,855.27

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Solution

The fourth proportional to 12,444.27, 17,172.31 and 6,855.27 is: 9,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.27 : 17,172.31 = 6,855.27 : x
  2. Step 2: Convert to fraction form
    12,444.27/17,172.31 = 6,855.27/x
  3. Step 3: Cross multiply
    12,444.27x = 17,172.31 × 6,855.27
  4. Step 4: Simplify right side
    12,444.27x = 117,720,821.57
  5. Step 5: Solve for x
    x = 117,720,821.57/12,444.27
  6. Step 6: Final answer
    x = 9,459.84

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1.5x scale

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.