Home / 11,822.90-16,315.29-6,517.62

Finding the Fourth Proportional to 11,822.90, 16,315.29 and 6,517.62

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Solution

The fourth proportional to 11,822.90, 16,315.29 and 6,517.62 is: 8,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.90 : 16,315.29 = 6,517.62 : x
  2. Step 2: Convert to fraction form
    11,822.90/16,315.29 = 6,517.62/x
  3. Step 3: Cross multiply
    11,822.90x = 16,315.29 × 6,517.62
  4. Step 4: Simplify right side
    11,822.90x = 106,336,860.41
  5. Step 5: Solve for x
    x = 106,336,860.41/11,822.90
  6. Step 6: Final answer
    x = 8,994.15

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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.