Home / 11,926.76-16,457.46-6,620.84

Finding the Fourth Proportional to 11,926.76, 16,457.46 and 6,620.84

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Solution

The fourth proportional to 11,926.76, 16,457.46 and 6,620.84 is: 9,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.76 : 16,457.46 = 6,620.84 : x
  2. Step 2: Convert to fraction form
    11,926.76/16,457.46 = 6,620.84/x
  3. Step 3: Cross multiply
    11,926.76x = 16,457.46 × 6,620.84
  4. Step 4: Simplify right side
    11,926.76x = 108,962,209.47
  5. Step 5: Solve for x
    x = 108,962,209.47/11,926.76
  6. Step 6: Final answer
    x = 9,135.94

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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.