Home / 11,705.60-16,151.96-6,600.90

Finding the Fourth Proportional to 11,705.60, 16,151.96 and 6,600.90

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Solution

The fourth proportional to 11,705.60, 16,151.96 and 6,600.90 is: 9,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.60 : 16,151.96 = 6,600.90 : x
  2. Step 2: Convert to fraction form
    11,705.60/16,151.96 = 6,600.90/x
  3. Step 3: Cross multiply
    11,705.60x = 16,151.96 × 6,600.90
  4. Step 4: Simplify right side
    11,705.60x = 106,617,439.76
  5. Step 5: Solve for x
    x = 106,617,439.76/11,705.60
  6. Step 6: Final answer
    x = 9,108.25

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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.