Home / 16,822.89-23,219.06-11,157.95

Finding the Fourth Proportional to 16,822.89, 23,219.06 and 11,157.95

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Solution

The fourth proportional to 16,822.89, 23,219.06 and 11,157.95 is: 15,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.89 : 23,219.06 = 11,157.95 : x
  2. Step 2: Convert to fraction form
    16,822.89/23,219.06 = 11,157.95/x
  3. Step 3: Cross multiply
    16,822.89x = 23,219.06 × 11,157.95
  4. Step 4: Simplify right side
    16,822.89x = 259,077,112.78
  5. Step 5: Solve for x
    x = 259,077,112.78/16,822.89
  6. Step 6: Final answer
    x = 15,400.27

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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.