Home / 14,276.75-21,389.69-12,175.44

Finding the Fourth Proportional to 14,276.75, 21,389.69 and 12,175.44

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Solution

The fourth proportional to 14,276.75, 21,389.69 and 12,175.44 is: 18,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.75 : 21,389.69 = 12,175.44 : x
  2. Step 2: Convert to fraction form
    14,276.75/21,389.69 = 12,175.44/x
  3. Step 3: Cross multiply
    14,276.75x = 21,389.69 × 12,175.44
  4. Step 4: Simplify right side
    14,276.75x = 260,428,719.39
  5. Step 5: Solve for x
    x = 260,428,719.39/14,276.75
  6. Step 6: Final answer
    x = 18,241.46

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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.