Home / 12,208.61-16,845.89-8,022.05

Finding the Fourth Proportional to 12,208.61, 16,845.89 and 8,022.05

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Solution

The fourth proportional to 12,208.61, 16,845.89 and 8,022.05 is: 11,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.61 : 16,845.89 = 8,022.05 : x
  2. Step 2: Convert to fraction form
    12,208.61/16,845.89 = 8,022.05/x
  3. Step 3: Cross multiply
    12,208.61x = 16,845.89 × 8,022.05
  4. Step 4: Simplify right side
    12,208.61x = 135,138,531.76
  5. Step 5: Solve for x
    x = 135,138,531.76/12,208.61
  6. Step 6: Final answer
    x = 11,069.12

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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.