Home / 11,962.75-16,506.96-6,656.84

Finding the Fourth Proportional to 11,962.75, 16,506.96 and 6,656.84

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Solution

The fourth proportional to 11,962.75, 16,506.96 and 6,656.84 is: 9,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.75 : 16,506.96 = 6,656.84 : x
  2. Step 2: Convert to fraction form
    11,962.75/16,506.96 = 6,656.84/x
  3. Step 3: Cross multiply
    11,962.75x = 16,506.96 × 6,656.84
  4. Step 4: Simplify right side
    11,962.75x = 109,884,191.61
  5. Step 5: Solve for x
    x = 109,884,191.61/11,962.75
  6. Step 6: Final answer
    x = 9,185.53

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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.