Home / 12,477.77-17,198.80-8,845.03

Finding the Fourth Proportional to 12,477.77, 17,198.80 and 8,845.03

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Solution

The fourth proportional to 12,477.77, 17,198.80 and 8,845.03 is: 12,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.77 : 17,198.80 = 8,845.03 : x
  2. Step 2: Convert to fraction form
    12,477.77/17,198.80 = 8,845.03/x
  3. Step 3: Cross multiply
    12,477.77x = 17,198.80 × 8,845.03
  4. Step 4: Simplify right side
    12,477.77x = 152,123,901.96
  5. Step 5: Solve for x
    x = 152,123,901.96/12,477.77
  6. Step 6: Final answer
    x = 12,191.60

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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.