Home / 11,270.32-16,908.24-7,945.07

Finding the Fourth Proportional to 11,270.32, 16,908.24 and 7,945.07

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Solution

The fourth proportional to 11,270.32, 16,908.24 and 7,945.07 is: 11,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.32 : 16,908.24 = 7,945.07 : x
  2. Step 2: Convert to fraction form
    11,270.32/16,908.24 = 7,945.07/x
  3. Step 3: Cross multiply
    11,270.32x = 16,908.24 × 7,945.07
  4. Step 4: Simplify right side
    11,270.32x = 134,337,095.63
  5. Step 5: Solve for x
    x = 134,337,095.63/11,270.32
  6. Step 6: Final answer
    x = 11,919.55

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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.