Home / 11,909.84-16,435.32-6,604.64

Finding the Fourth Proportional to 11,909.84, 16,435.32 and 6,604.64

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Solution

The fourth proportional to 11,909.84, 16,435.32 and 6,604.64 is: 9,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.84 : 16,435.32 = 6,604.64 : x
  2. Step 2: Convert to fraction form
    11,909.84/16,435.32 = 6,604.64/x
  3. Step 3: Cross multiply
    11,909.84x = 16,435.32 × 6,604.64
  4. Step 4: Simplify right side
    11,909.84x = 108,549,371.88
  5. Step 5: Solve for x
    x = 108,549,371.88/11,909.84
  6. Step 6: Final answer
    x = 9,114.26

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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.