Home / 12,230.74-18,343.50-3,463.30

Finding the Fourth Proportional to 12,230.74, 18,343.50 and 3,463.30

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Solution

The fourth proportional to 12,230.74, 18,343.50 and 3,463.30 is: 5,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.74 : 18,343.50 = 3,463.30 : x
  2. Step 2: Convert to fraction form
    12,230.74/18,343.50 = 3,463.30/x
  3. Step 3: Cross multiply
    12,230.74x = 18,343.50 × 3,463.30
  4. Step 4: Simplify right side
    12,230.74x = 63,529,043.55
  5. Step 5: Solve for x
    x = 63,529,043.55/12,230.74
  6. Step 6: Final answer
    x = 5,194.21

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1.5x scale

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.