Home / 11,106.40-16,648.72-5,551.44

Finding the Fourth Proportional to 11,106.40, 16,648.72 and 5,551.44

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Solution

The fourth proportional to 11,106.40, 16,648.72 and 5,551.44 is: 8,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.40 : 16,648.72 = 5,551.44 : x
  2. Step 2: Convert to fraction form
    11,106.40/16,648.72 = 5,551.44/x
  3. Step 3: Cross multiply
    11,106.40x = 16,648.72 × 5,551.44
  4. Step 4: Simplify right side
    11,106.40x = 92,424,370.16
  5. Step 5: Solve for x
    x = 92,424,370.16/11,106.40
  6. Step 6: Final answer
    x = 8,321.72

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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.