Home / 16,464.06-22,720.44-9,390.30

Finding the Fourth Proportional to 16,464.06, 22,720.44 and 9,390.30

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Solution

The fourth proportional to 16,464.06, 22,720.44 and 9,390.30 is: 12,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.06 : 22,720.44 = 9,390.30 : x
  2. Step 2: Convert to fraction form
    16,464.06/22,720.44 = 9,390.30/x
  3. Step 3: Cross multiply
    16,464.06x = 22,720.44 × 9,390.30
  4. Step 4: Simplify right side
    16,464.06x = 213,351,747.73
  5. Step 5: Solve for x
    x = 213,351,747.73/16,464.06
  6. Step 6: Final answer
    x = 12,958.64

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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.