Home / 12,299.40-16,974.99-6,994.71

Finding the Fourth Proportional to 12,299.40, 16,974.99 and 6,994.71

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Solution

The fourth proportional to 12,299.40, 16,974.99 and 6,994.71 is: 9,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.40 : 16,974.99 = 6,994.71 : x
  2. Step 2: Convert to fraction form
    12,299.40/16,974.99 = 6,994.71/x
  3. Step 3: Cross multiply
    12,299.40x = 16,974.99 × 6,994.71
  4. Step 4: Simplify right side
    12,299.40x = 118,735,132.30
  5. Step 5: Solve for x
    x = 118,735,132.30/12,299.40
  6. Step 6: Final answer
    x = 9,653.73

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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.