Home / 14,146.21-21,187.01-6,755.87

Finding the Fourth Proportional to 14,146.21, 21,187.01 and 6,755.87

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Solution

The fourth proportional to 14,146.21, 21,187.01 and 6,755.87 is: 10,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.21 : 21,187.01 = 6,755.87 : x
  2. Step 2: Convert to fraction form
    14,146.21/21,187.01 = 6,755.87/x
  3. Step 3: Cross multiply
    14,146.21x = 21,187.01 × 6,755.87
  4. Step 4: Simplify right side
    14,146.21x = 143,136,685.25
  5. Step 5: Solve for x
    x = 143,136,685.25/14,146.21
  6. Step 6: Final answer
    x = 10,118.38

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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.