Home / 14,127.23-21,190.69-3,453.68

Finding the Fourth Proportional to 14,127.23, 21,190.69 and 3,453.68

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Solution

The fourth proportional to 14,127.23, 21,190.69 and 3,453.68 is: 5,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.23 : 21,190.69 = 3,453.68 : x
  2. Step 2: Convert to fraction form
    14,127.23/21,190.69 = 3,453.68/x
  3. Step 3: Cross multiply
    14,127.23x = 21,190.69 × 3,453.68
  4. Step 4: Simplify right side
    14,127.23x = 73,185,919.53
  5. Step 5: Solve for x
    x = 73,185,919.53/14,127.23
  6. Step 6: Final answer
    x = 5,180.49

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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.