Home / 16,222.17-22,387.37-9,148.44

Finding the Fourth Proportional to 16,222.17, 22,387.37 and 9,148.44

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Solution

The fourth proportional to 16,222.17, 22,387.37 and 9,148.44 is: 12,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.17 : 22,387.37 = 9,148.44 : x
  2. Step 2: Convert to fraction form
    16,222.17/22,387.37 = 9,148.44/x
  3. Step 3: Cross multiply
    16,222.17x = 22,387.37 × 9,148.44
  4. Step 4: Simplify right side
    16,222.17x = 204,809,511.20
  5. Step 5: Solve for x
    x = 204,809,511.20/16,222.17
  6. Step 6: Final answer
    x = 12,625.28

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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.