Home / 14,006.29-21,015.81-5,241.88

Finding the Fourth Proportional to 14,006.29, 21,015.81 and 5,241.88

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Solution

The fourth proportional to 14,006.29, 21,015.81 and 5,241.88 is: 7,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.29 : 21,015.81 = 5,241.88 : x
  2. Step 2: Convert to fraction form
    14,006.29/21,015.81 = 5,241.88/x
  3. Step 3: Cross multiply
    14,006.29x = 21,015.81 × 5,241.88
  4. Step 4: Simplify right side
    14,006.29x = 110,162,327.91
  5. Step 5: Solve for x
    x = 110,162,327.91/14,006.29
  6. Step 6: Final answer
    x = 7,865.21

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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.