Home / 14,277.25-21,390.44-12,175.94

Finding the Fourth Proportional to 14,277.25, 21,390.44 and 12,175.94

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Solution

The fourth proportional to 14,277.25, 21,390.44 and 12,175.94 is: 18,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.25 : 21,390.44 = 12,175.94 : x
  2. Step 2: Convert to fraction form
    14,277.25/21,390.44 = 12,175.94/x
  3. Step 3: Cross multiply
    14,277.25x = 21,390.44 × 12,175.94
  4. Step 4: Simplify right side
    14,277.25x = 260,448,546.18
  5. Step 5: Solve for x
    x = 260,448,546.18/14,277.25
  6. Step 6: Final answer
    x = 18,242.21

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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.