Home / 11,822.90-16,315.43-6,517.53

Finding the Fourth Proportional to 11,822.90, 16,315.43 and 6,517.53

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Solution

The fourth proportional to 11,822.90, 16,315.43 and 6,517.53 is: 8,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.90 : 16,315.43 = 6,517.53 : x
  2. Step 2: Convert to fraction form
    11,822.90/16,315.43 = 6,517.53/x
  3. Step 3: Cross multiply
    11,822.90x = 16,315.43 × 6,517.53
  4. Step 4: Simplify right side
    11,822.90x = 106,336,271.90
  5. Step 5: Solve for x
    x = 106,336,271.90/11,822.90
  6. Step 6: Final answer
    x = 8,994.10

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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.