Home / 11,648.40-17,449.30-8,512.89

Finding the Fourth Proportional to 11,648.40, 17,449.30 and 8,512.89

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Solution

The fourth proportional to 11,648.40, 17,449.30 and 8,512.89 is: 12,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.40 : 17,449.30 = 8,512.89 : x
  2. Step 2: Convert to fraction form
    11,648.40/17,449.30 = 8,512.89/x
  3. Step 3: Cross multiply
    11,648.40x = 17,449.30 × 8,512.89
  4. Step 4: Simplify right side
    11,648.40x = 148,543,971.48
  5. Step 5: Solve for x
    x = 148,543,971.48/11,648.40
  6. Step 6: Final answer
    x = 12,752.31

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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.