Home / 12,175.72-18,264.38-4,277.27

Finding the Fourth Proportional to 12,175.72, 18,264.38 and 4,277.27

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Solution

The fourth proportional to 12,175.72, 18,264.38 and 4,277.27 is: 6,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.72 : 18,264.38 = 4,277.27 : x
  2. Step 2: Convert to fraction form
    12,175.72/18,264.38 = 4,277.27/x
  3. Step 3: Cross multiply
    12,175.72x = 18,264.38 × 4,277.27
  4. Step 4: Simplify right side
    12,175.72x = 78,121,741.00
  5. Step 5: Solve for x
    x = 78,121,741.00/12,175.72
  6. Step 6: Final answer
    x = 6,416.19

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1.5x scale

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.