Home / 11,988.24-16,543.40-6,682.64

Finding the Fourth Proportional to 11,988.24, 16,543.40 and 6,682.64

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Solution

The fourth proportional to 11,988.24, 16,543.40 and 6,682.64 is: 9,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.24 : 16,543.40 = 6,682.64 : x
  2. Step 2: Convert to fraction form
    11,988.24/16,543.40 = 6,682.64/x
  3. Step 3: Cross multiply
    11,988.24x = 16,543.40 × 6,682.64
  4. Step 4: Simplify right side
    11,988.24x = 110,553,586.58
  5. Step 5: Solve for x
    x = 110,553,586.58/11,988.24
  6. Step 6: Final answer
    x = 9,221.84

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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.