Home / 11,187.02-16,765.40-4,257.74

Finding the Fourth Proportional to 11,187.02, 16,765.40 and 4,257.74

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Solution

The fourth proportional to 11,187.02, 16,765.40 and 4,257.74 is: 6,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.02 : 16,765.40 = 4,257.74 : x
  2. Step 2: Convert to fraction form
    11,187.02/16,765.40 = 4,257.74/x
  3. Step 3: Cross multiply
    11,187.02x = 16,765.40 × 4,257.74
  4. Step 4: Simplify right side
    11,187.02x = 71,382,714.20
  5. Step 5: Solve for x
    x = 71,382,714.20/11,187.02
  6. Step 6: Final answer
    x = 6,380.85

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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.