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Finding the Fourth Proportional to 16,482.33, 22,745.01 and 9,408.45

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Solution

The fourth proportional to 16,482.33, 22,745.01 and 9,408.45 is: 12,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.33 : 22,745.01 = 9,408.45 : x
  2. Step 2: Convert to fraction form
    16,482.33/22,745.01 = 9,408.45/x
  3. Step 3: Cross multiply
    16,482.33x = 22,745.01 × 9,408.45
  4. Step 4: Simplify right side
    16,482.33x = 213,995,289.33
  5. Step 5: Solve for x
    x = 213,995,289.33/16,482.33
  6. Step 6: Final answer
    x = 12,983.32

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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.