Home / 12,190.22-16,822.13-6,812.52

Finding the Fourth Proportional to 12,190.22, 16,822.13 and 6,812.52

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Solution

The fourth proportional to 12,190.22, 16,822.13 and 6,812.52 is: 9,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.22 : 16,822.13 = 6,812.52 : x
  2. Step 2: Convert to fraction form
    12,190.22/16,822.13 = 6,812.52/x
  3. Step 3: Cross multiply
    12,190.22x = 16,822.13 × 6,812.52
  4. Step 4: Simplify right side
    12,190.22x = 114,601,097.07
  5. Step 5: Solve for x
    x = 114,601,097.07/12,190.22
  6. Step 6: Final answer
    x = 9,401.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.