Home / 11,836.89-16,334.51-6,531.21

Finding the Fourth Proportional to 11,836.89, 16,334.51 and 6,531.21

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Solution

The fourth proportional to 11,836.89, 16,334.51 and 6,531.21 is: 9,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.89 : 16,334.51 = 6,531.21 : x
  2. Step 2: Convert to fraction form
    11,836.89/16,334.51 = 6,531.21/x
  3. Step 3: Cross multiply
    11,836.89x = 16,334.51 × 6,531.21
  4. Step 4: Simplify right side
    11,836.89x = 106,684,082.40
  5. Step 5: Solve for x
    x = 106,684,082.40/11,836.89
  6. Step 6: Final answer
    x = 9,012.85

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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.