Home / 11,489.40-17,227.08-4,911.84

Finding the Fourth Proportional to 11,489.40, 17,227.08 and 4,911.84

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Solution

The fourth proportional to 11,489.40, 17,227.08 and 4,911.84 is: 7,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.40 : 17,227.08 = 4,911.84 : x
  2. Step 2: Convert to fraction form
    11,489.40/17,227.08 = 4,911.84/x
  3. Step 3: Cross multiply
    11,489.40x = 17,227.08 × 4,911.84
  4. Step 4: Simplify right side
    11,489.40x = 84,616,660.63
  5. Step 5: Solve for x
    x = 84,616,660.63/11,489.40
  6. Step 6: Final answer
    x = 7,364.76

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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.