Home / 16,289.05-22,480.26-9,216.83

Finding the Fourth Proportional to 16,289.05, 22,480.26 and 9,216.83

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Solution

The fourth proportional to 16,289.05, 22,480.26 and 9,216.83 is: 12,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.05 : 22,480.26 = 9,216.83 : x
  2. Step 2: Convert to fraction form
    16,289.05/22,480.26 = 9,216.83/x
  3. Step 3: Cross multiply
    16,289.05x = 22,480.26 × 9,216.83
  4. Step 4: Simplify right side
    16,289.05x = 207,196,734.78
  5. Step 5: Solve for x
    x = 207,196,734.78/16,289.05
  6. Step 6: Final answer
    x = 12,720.00

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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.