Home / 11,011.12-16,521.30-6,854.60

Finding the Fourth Proportional to 11,011.12, 16,521.30 and 6,854.60

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Solution

The fourth proportional to 11,011.12, 16,521.30 and 6,854.60 is: 10,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.12 : 16,521.30 = 6,854.60 : x
  2. Step 2: Convert to fraction form
    11,011.12/16,521.30 = 6,854.60/x
  3. Step 3: Cross multiply
    11,011.12x = 16,521.30 × 6,854.60
  4. Step 4: Simplify right side
    11,011.12x = 113,246,902.98
  5. Step 5: Solve for x
    x = 113,246,902.98/11,011.12
  6. Step 6: Final answer
    x = 10,284.78

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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.