Home / 14,146.11-21,186.81-6,755.76

Finding the Fourth Proportional to 14,146.11, 21,186.81 and 6,755.76

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Solution

The fourth proportional to 14,146.11, 21,186.81 and 6,755.76 is: 10,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.11 : 21,186.81 = 6,755.76 : x
  2. Step 2: Convert to fraction form
    14,146.11/21,186.81 = 6,755.76/x
  3. Step 3: Cross multiply
    14,146.11x = 21,186.81 × 6,755.76
  4. Step 4: Simplify right side
    14,146.11x = 143,133,003.53
  5. Step 5: Solve for x
    x = 143,133,003.53/14,146.11
  6. Step 6: Final answer
    x = 10,118.19

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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.