Home / 16,464.25-22,720.67-9,390.52

Finding the Fourth Proportional to 16,464.25, 22,720.67 and 9,390.52

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Solution

The fourth proportional to 16,464.25, 22,720.67 and 9,390.52 is: 12,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.25 : 22,720.67 = 9,390.52 : x
  2. Step 2: Convert to fraction form
    16,464.25/22,720.67 = 9,390.52/x
  3. Step 3: Cross multiply
    16,464.25x = 22,720.67 × 9,390.52
  4. Step 4: Simplify right side
    16,464.25x = 213,358,906.05
  5. Step 5: Solve for x
    x = 213,358,906.05/16,464.25
  6. Step 6: Final answer
    x = 12,958.92

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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.