Home / 11,909.50-16,434.98-6,604.27

Finding the Fourth Proportional to 11,909.50, 16,434.98 and 6,604.27

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Solution

The fourth proportional to 11,909.50, 16,434.98 and 6,604.27 is: 9,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.50 : 16,434.98 = 6,604.27 : x
  2. Step 2: Convert to fraction form
    11,909.50/16,434.98 = 6,604.27/x
  3. Step 3: Cross multiply
    11,909.50x = 16,434.98 × 6,604.27
  4. Step 4: Simplify right side
    11,909.50x = 108,540,996.02
  5. Step 5: Solve for x
    x = 108,540,996.02/11,909.50
  6. Step 6: Final answer
    x = 9,113.82

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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.