Home / 12,192.63-18,288.94-2,958.63

Finding the Fourth Proportional to 12,192.63, 18,288.94 and 2,958.63

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Solution

The fourth proportional to 12,192.63, 18,288.94 and 2,958.63 is: 4,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.63 : 18,288.94 = 2,958.63 : x
  2. Step 2: Convert to fraction form
    12,192.63/18,288.94 = 2,958.63/x
  3. Step 3: Cross multiply
    12,192.63x = 18,288.94 × 2,958.63
  4. Step 4: Simplify right side
    12,192.63x = 54,110,206.55
  5. Step 5: Solve for x
    x = 54,110,206.55/12,192.63
  6. Step 6: Final answer
    x = 4,437.94

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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.