Home / 11,164.60-16,759.70-6,550.20

Finding the Fourth Proportional to 11,164.60, 16,759.70 and 6,550.20

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Solution

The fourth proportional to 11,164.60, 16,759.70 and 6,550.20 is: 9,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.60 : 16,759.70 = 6,550.20 : x
  2. Step 2: Convert to fraction form
    11,164.60/16,759.70 = 6,550.20/x
  3. Step 3: Cross multiply
    11,164.60x = 16,759.70 × 6,550.20
  4. Step 4: Simplify right side
    11,164.60x = 109,779,386.94
  5. Step 5: Solve for x
    x = 109,779,386.94/11,164.60
  6. Step 6: Final answer
    x = 9,832.81

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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.