Home / 14,006.41-21,015.99-5,242.01

Finding the Fourth Proportional to 14,006.41, 21,015.99 and 5,242.01

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Solution

The fourth proportional to 14,006.41, 21,015.99 and 5,242.01 is: 7,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.41 : 21,015.99 = 5,242.01 : x
  2. Step 2: Convert to fraction form
    14,006.41/21,015.99 = 5,242.01/x
  3. Step 3: Cross multiply
    14,006.41x = 21,015.99 × 5,242.01
  4. Step 4: Simplify right side
    14,006.41x = 110,165,924.66
  5. Step 5: Solve for x
    x = 110,165,924.66/14,006.41
  6. Step 6: Final answer
    x = 7,865.39

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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.