Home / 16,119.88-22,245.36-9,046.32

Finding the Fourth Proportional to 16,119.88, 22,245.36 and 9,046.32

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Solution

The fourth proportional to 16,119.88, 22,245.36 and 9,046.32 is: 12,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.88 : 22,245.36 = 9,046.32 : x
  2. Step 2: Convert to fraction form
    16,119.88/22,245.36 = 9,046.32/x
  3. Step 3: Cross multiply
    16,119.88x = 22,245.36 × 9,046.32
  4. Step 4: Simplify right side
    16,119.88x = 201,238,645.08
  5. Step 5: Solve for x
    x = 201,238,645.08/16,119.88
  6. Step 6: Final answer
    x = 12,483.88

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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.