Home / 16,144.37-22,278.21-9,431.90

Finding the Fourth Proportional to 16,144.37, 22,278.21 and 9,431.90

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Solution

The fourth proportional to 16,144.37, 22,278.21 and 9,431.90 is: 13,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,144.37 : 22,278.21 = 9,431.90 : x
  2. Step 2: Convert to fraction form
    16,144.37/22,278.21 = 9,431.90/x
  3. Step 3: Cross multiply
    16,144.37x = 22,278.21 × 9,431.90
  4. Step 4: Simplify right side
    16,144.37x = 210,125,848.90
  5. Step 5: Solve for x
    x = 210,125,848.90/16,144.37
  6. Step 6: Final answer
    x = 13,015.43

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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.