Home / 11,278.58-16,898.40-7,476.88

Finding the Fourth Proportional to 11,278.58, 16,898.40 and 7,476.88

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Solution

The fourth proportional to 11,278.58, 16,898.40 and 7,476.88 is: 11,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.58 : 16,898.40 = 7,476.88 : x
  2. Step 2: Convert to fraction form
    11,278.58/16,898.40 = 7,476.88/x
  3. Step 3: Cross multiply
    11,278.58x = 16,898.40 × 7,476.88
  4. Step 4: Simplify right side
    11,278.58x = 126,347,308.99
  5. Step 5: Solve for x
    x = 126,347,308.99/11,278.58
  6. Step 6: Final answer
    x = 11,202.41

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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.