Home / 11,849.40-16,353.42-6,813.84

Finding the Fourth Proportional to 11,849.40, 16,353.42 and 6,813.84

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Solution

The fourth proportional to 11,849.40, 16,353.42 and 6,813.84 is: 9,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.40 : 16,353.42 = 6,813.84 : x
  2. Step 2: Convert to fraction form
    11,849.40/16,353.42 = 6,813.84/x
  3. Step 3: Cross multiply
    11,849.40x = 16,353.42 × 6,813.84
  4. Step 4: Simplify right side
    11,849.40x = 111,429,587.33
  5. Step 5: Solve for x
    x = 111,429,587.33/11,849.40
  6. Step 6: Final answer
    x = 9,403.82

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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.