Home / 11,730.05-17,550.93-8,226.90

Finding the Fourth Proportional to 11,730.05, 17,550.93 and 8,226.90

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Solution

The fourth proportional to 11,730.05, 17,550.93 and 8,226.90 is: 12,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.05 : 17,550.93 = 8,226.90 : x
  2. Step 2: Convert to fraction form
    11,730.05/17,550.93 = 8,226.90/x
  3. Step 3: Cross multiply
    11,730.05x = 17,550.93 × 8,226.90
  4. Step 4: Simplify right side
    11,730.05x = 144,389,617.13
  5. Step 5: Solve for x
    x = 144,389,617.13/11,730.05
  6. Step 6: Final answer
    x = 12,309.38

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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.