Home / 16,221.02-22,385.01-9,147.44

Finding the Fourth Proportional to 16,221.02, 22,385.01 and 9,147.44

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Solution

The fourth proportional to 16,221.02, 22,385.01 and 9,147.44 is: 12,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.02 : 22,385.01 = 9,147.44 : x
  2. Step 2: Convert to fraction form
    16,221.02/22,385.01 = 9,147.44/x
  3. Step 3: Cross multiply
    16,221.02x = 22,385.01 × 9,147.44
  4. Step 4: Simplify right side
    16,221.02x = 204,765,535.87
  5. Step 5: Solve for x
    x = 204,765,535.87/16,221.02
  6. Step 6: Final answer
    x = 12,623.47

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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.