Home / 11,011.88-16,494.72-8,660.84

Finding the Fourth Proportional to 11,011.88, 16,494.72 and 8,660.84

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Solution

The fourth proportional to 11,011.88, 16,494.72 and 8,660.84 is: 12,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.88 : 16,494.72 = 8,660.84 : x
  2. Step 2: Convert to fraction form
    11,011.88/16,494.72 = 8,660.84/x
  3. Step 3: Cross multiply
    11,011.88x = 16,494.72 × 8,660.84
  4. Step 4: Simplify right side
    11,011.88x = 142,858,130.76
  5. Step 5: Solve for x
    x = 142,858,130.76/11,011.88
  6. Step 6: Final answer
    x = 12,973.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.