Home / 12,049.08-18,042.90-7,418.04

Finding the Fourth Proportional to 12,049.08, 18,042.90 and 7,418.04

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Solution

The fourth proportional to 12,049.08, 18,042.90 and 7,418.04 is: 11,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.08 : 18,042.90 = 7,418.04 : x
  2. Step 2: Convert to fraction form
    12,049.08/18,042.90 = 7,418.04/x
  3. Step 3: Cross multiply
    12,049.08x = 18,042.90 × 7,418.04
  4. Step 4: Simplify right side
    12,049.08x = 133,842,953.92
  5. Step 5: Solve for x
    x = 133,842,953.92/12,049.08
  6. Step 6: Final answer
    x = 11,108.15

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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.