Home / 12,192.08-18,288.12-2,958

Finding the Fourth Proportional to 12,192.08, 18,288.12 and 2,958

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Solution

The fourth proportional to 12,192.08, 18,288.12 and 2,958 is: 4,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.08 : 18,288.12 = 2,958 : x
  2. Step 2: Convert to fraction form
    12,192.08/18,288.12 = 2,958/x
  3. Step 3: Cross multiply
    12,192.08x = 18,288.12 × 2,958
  4. Step 4: Simplify right side
    12,192.08x = 54,096,258.96
  5. Step 5: Solve for x
    x = 54,096,258.96/12,192.08
  6. Step 6: Final answer
    x = 4,437.00

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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.