Home / 11,259.18-16,869.45-7,966.86

Finding the Fourth Proportional to 11,259.18, 16,869.45 and 7,966.86

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Solution

The fourth proportional to 11,259.18, 16,869.45 and 7,966.86 is: 11,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.18 : 16,869.45 = 7,966.86 : x
  2. Step 2: Convert to fraction form
    11,259.18/16,869.45 = 7,966.86/x
  3. Step 3: Cross multiply
    11,259.18x = 16,869.45 × 7,966.86
  4. Step 4: Simplify right side
    11,259.18x = 134,396,546.43
  5. Step 5: Solve for x
    x = 134,396,546.43/11,259.18
  6. Step 6: Final answer
    x = 11,936.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.