Home / 14,305.05-21,455.10-3,914.37

Finding the Fourth Proportional to 14,305.05, 21,455.10 and 3,914.37

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Solution

The fourth proportional to 14,305.05, 21,455.10 and 3,914.37 is: 5,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.05 : 21,455.10 = 3,914.37 : x
  2. Step 2: Convert to fraction form
    14,305.05/21,455.10 = 3,914.37/x
  3. Step 3: Cross multiply
    14,305.05x = 21,455.10 × 3,914.37
  4. Step 4: Simplify right side
    14,305.05x = 83,983,199.79
  5. Step 5: Solve for x
    x = 83,983,199.79/14,305.05
  6. Step 6: Final answer
    x = 5,870.88

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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.