Home / 12,299.12-16,972.71-6,993.95

Finding the Fourth Proportional to 12,299.12, 16,972.71 and 6,993.95

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Solution

The fourth proportional to 12,299.12, 16,972.71 and 6,993.95 is: 9,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.12 : 16,972.71 = 6,993.95 : x
  2. Step 2: Convert to fraction form
    12,299.12/16,972.71 = 6,993.95/x
  3. Step 3: Cross multiply
    12,299.12x = 16,972.71 × 6,993.95
  4. Step 4: Simplify right side
    12,299.12x = 118,706,200.24
  5. Step 5: Solve for x
    x = 118,706,200.24/12,299.12
  6. Step 6: Final answer
    x = 9,651.61

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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.