Home / 12,268.86-16,931.11-6,963.77

Finding the Fourth Proportional to 12,268.86, 16,931.11 and 6,963.77

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Solution

The fourth proportional to 12,268.86, 16,931.11 and 6,963.77 is: 9,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.86 : 16,931.11 = 6,963.77 : x
  2. Step 2: Convert to fraction form
    12,268.86/16,931.11 = 6,963.77/x
  3. Step 3: Cross multiply
    12,268.86x = 16,931.11 × 6,963.77
  4. Step 4: Simplify right side
    12,268.86x = 117,904,355.88
  5. Step 5: Solve for x
    x = 117,904,355.88/12,268.86
  6. Step 6: Final answer
    x = 9,610.05

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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.