Home / 11,909.41-16,434.84-6,873.57

Finding the Fourth Proportional to 11,909.41, 16,434.84 and 6,873.57

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Solution

The fourth proportional to 11,909.41, 16,434.84 and 6,873.57 is: 9,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.41 : 16,434.84 = 6,873.57 : x
  2. Step 2: Convert to fraction form
    11,909.41/16,434.84 = 6,873.57/x
  3. Step 3: Cross multiply
    11,909.41x = 16,434.84 × 6,873.57
  4. Step 4: Simplify right side
    11,909.41x = 112,966,023.18
  5. Step 5: Solve for x
    x = 112,966,023.18/11,909.41
  6. Step 6: Final answer
    x = 9,485.44

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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.