Home / 16,035.82-22,129.06-8,962.90

Finding the Fourth Proportional to 16,035.82, 22,129.06 and 8,962.90

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Solution

The fourth proportional to 16,035.82, 22,129.06 and 8,962.90 is: 12,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.82 : 22,129.06 = 8,962.90 : x
  2. Step 2: Convert to fraction form
    16,035.82/22,129.06 = 8,962.90/x
  3. Step 3: Cross multiply
    16,035.82x = 22,129.06 × 8,962.90
  4. Step 4: Simplify right side
    16,035.82x = 198,340,551.87
  5. Step 5: Solve for x
    x = 198,340,551.87/16,035.82
  6. Step 6: Final answer
    x = 12,368.59

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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.