Home / 11,794.90-16,276.89-6,489.40

Finding the Fourth Proportional to 11,794.90, 16,276.89 and 6,489.40

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Solution

The fourth proportional to 11,794.90, 16,276.89 and 6,489.40 is: 8,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.90 : 16,276.89 = 6,489.40 : x
  2. Step 2: Convert to fraction form
    11,794.90/16,276.89 = 6,489.40/x
  3. Step 3: Cross multiply
    11,794.90x = 16,276.89 × 6,489.40
  4. Step 4: Simplify right side
    11,794.90x = 105,627,209.27
  5. Step 5: Solve for x
    x = 105,627,209.27/11,794.90
  6. Step 6: Final answer
    x = 8,955.33

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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.