Home / 11,836.90-16,330.88-6,731.91

Finding the Fourth Proportional to 11,836.90, 16,330.88 and 6,731.91

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Solution

The fourth proportional to 11,836.90, 16,330.88 and 6,731.91 is: 9,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.90 : 16,330.88 = 6,731.91 : x
  2. Step 2: Convert to fraction form
    11,836.90/16,330.88 = 6,731.91/x
  3. Step 3: Cross multiply
    11,836.90x = 16,330.88 × 6,731.91
  4. Step 4: Simplify right side
    11,836.90x = 109,938,014.38
  5. Step 5: Solve for x
    x = 109,938,014.38/11,836.90
  6. Step 6: Final answer
    x = 9,287.74

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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.