Home / 11,471.88-17,215.50-4,899.60

Finding the Fourth Proportional to 11,471.88, 17,215.50 and 4,899.60

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Solution

The fourth proportional to 11,471.88, 17,215.50 and 4,899.60 is: 7,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.88 : 17,215.50 = 4,899.60 : x
  2. Step 2: Convert to fraction form
    11,471.88/17,215.50 = 4,899.60/x
  3. Step 3: Cross multiply
    11,471.88x = 17,215.50 × 4,899.60
  4. Step 4: Simplify right side
    11,471.88x = 84,349,063.80
  5. Step 5: Solve for x
    x = 84,349,063.80/11,471.88
  6. Step 6: Final answer
    x = 7,352.68

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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.