Home / 12,042.20-18,063.32-6,498.15

Finding the Fourth Proportional to 12,042.20, 18,063.32 and 6,498.15

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Solution

The fourth proportional to 12,042.20, 18,063.32 and 6,498.15 is: 9,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.20 : 18,063.32 = 6,498.15 : x
  2. Step 2: Convert to fraction form
    12,042.20/18,063.32 = 6,498.15/x
  3. Step 3: Cross multiply
    12,042.20x = 18,063.32 × 6,498.15
  4. Step 4: Simplify right side
    12,042.20x = 117,378,146.61
  5. Step 5: Solve for x
    x = 117,378,146.61/12,042.20
  6. Step 6: Final answer
    x = 9,747.24

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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.