Home / 14,239.99-21,349.72-8,692.03

Finding the Fourth Proportional to 14,239.99, 21,349.72 and 8,692.03

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Solution

The fourth proportional to 14,239.99, 21,349.72 and 8,692.03 is: 13,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.99 : 21,349.72 = 8,692.03 : x
  2. Step 2: Convert to fraction form
    14,239.99/21,349.72 = 8,692.03/x
  3. Step 3: Cross multiply
    14,239.99x = 21,349.72 × 8,692.03
  4. Step 4: Simplify right side
    14,239.99x = 185,572,406.73
  5. Step 5: Solve for x
    x = 185,572,406.73/14,239.99
  6. Step 6: Final answer
    x = 13,031.78

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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.