Home / 14,190.19-21,288.02-6,399

Finding the Fourth Proportional to 14,190.19, 21,288.02 and 6,399

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Solution

The fourth proportional to 14,190.19, 21,288.02 and 6,399 is: 9,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.19 : 21,288.02 = 6,399 : x
  2. Step 2: Convert to fraction form
    14,190.19/21,288.02 = 6,399/x
  3. Step 3: Cross multiply
    14,190.19x = 21,288.02 × 6,399
  4. Step 4: Simplify right side
    14,190.19x = 136,222,007.99
  5. Step 5: Solve for x
    x = 136,222,007.99/14,190.19
  6. Step 6: Final answer
    x = 9,599.73

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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.