Home / 17,135.45-23,643.46-11,821.85

Finding the Fourth Proportional to 17,135.45, 23,643.46 and 11,821.85

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Solution

The fourth proportional to 17,135.45, 23,643.46 and 11,821.85 is: 16,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.45 : 23,643.46 = 11,821.85 : x
  2. Step 2: Convert to fraction form
    17,135.45/23,643.46 = 11,821.85/x
  3. Step 3: Cross multiply
    17,135.45x = 23,643.46 × 11,821.85
  4. Step 4: Simplify right side
    17,135.45x = 279,509,437.60
  5. Step 5: Solve for x
    x = 279,509,437.60/17,135.45
  6. Step 6: Final answer
    x = 16,311.77

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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.