Home / 11,118.80-16,671.90-4,537.28

Finding the Fourth Proportional to 11,118.80, 16,671.90 and 4,537.28

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Solution

The fourth proportional to 11,118.80, 16,671.90 and 4,537.28 is: 6,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.80 : 16,671.90 = 4,537.28 : x
  2. Step 2: Convert to fraction form
    11,118.80/16,671.90 = 4,537.28/x
  3. Step 3: Cross multiply
    11,118.80x = 16,671.90 × 4,537.28
  4. Step 4: Simplify right side
    11,118.80x = 75,645,078.43
  5. Step 5: Solve for x
    x = 75,645,078.43/11,118.80
  6. Step 6: Final answer
    x = 6,803.35

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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.