Home / 12,282.38-16,949.21-6,976.63

Finding the Fourth Proportional to 12,282.38, 16,949.21 and 6,976.63

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Solution

The fourth proportional to 12,282.38, 16,949.21 and 6,976.63 is: 9,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.38 : 16,949.21 = 6,976.63 : x
  2. Step 2: Convert to fraction form
    12,282.38/16,949.21 = 6,976.63/x
  3. Step 3: Cross multiply
    12,282.38x = 16,949.21 × 6,976.63
  4. Step 4: Simplify right side
    12,282.38x = 118,248,289.71
  5. Step 5: Solve for x
    x = 118,248,289.71/12,282.38
  6. Step 6: Final answer
    x = 9,627.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.