Home / 14,242.68-21,379.05-8,008.02

Finding the Fourth Proportional to 14,242.68, 21,379.05 and 8,008.02

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Solution

The fourth proportional to 14,242.68, 21,379.05 and 8,008.02 is: 12,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.68 : 21,379.05 = 8,008.02 : x
  2. Step 2: Convert to fraction form
    14,242.68/21,379.05 = 8,008.02/x
  3. Step 3: Cross multiply
    14,242.68x = 21,379.05 × 8,008.02
  4. Step 4: Simplify right side
    14,242.68x = 171,203,859.98
  5. Step 5: Solve for x
    x = 171,203,859.98/14,242.68
  6. Step 6: Final answer
    x = 12,020.48

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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.