Home / 11,305.41-16,961.69-5,070.77

Finding the Fourth Proportional to 11,305.41, 16,961.69 and 5,070.77

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Solution

The fourth proportional to 11,305.41, 16,961.69 and 5,070.77 is: 7,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.41 : 16,961.69 = 5,070.77 : x
  2. Step 2: Convert to fraction form
    11,305.41/16,961.69 = 5,070.77/x
  3. Step 3: Cross multiply
    11,305.41x = 16,961.69 × 5,070.77
  4. Step 4: Simplify right side
    11,305.41x = 86,008,791.75
  5. Step 5: Solve for x
    x = 86,008,791.75/11,305.41
  6. Step 6: Final answer
    x = 7,607.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.