Home / 11,311.49-16,900.26-10,923.90

Finding the Fourth Proportional to 11,311.49, 16,900.26 and 10,923.90

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Solution

The fourth proportional to 11,311.49, 16,900.26 and 10,923.90 is: 16,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.49 : 16,900.26 = 10,923.90 : x
  2. Step 2: Convert to fraction form
    11,311.49/16,900.26 = 10,923.90/x
  3. Step 3: Cross multiply
    11,311.49x = 16,900.26 × 10,923.90
  4. Step 4: Simplify right side
    11,311.49x = 184,616,750.21
  5. Step 5: Solve for x
    x = 184,616,750.21/11,311.49
  6. Step 6: Final answer
    x = 16,321.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.