Home / 11,118.12-16,670.89-3,718.63

Finding the Fourth Proportional to 11,118.12, 16,670.89 and 3,718.63

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Solution

The fourth proportional to 11,118.12, 16,670.89 and 3,718.63 is: 5,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.12 : 16,670.89 = 3,718.63 : x
  2. Step 2: Convert to fraction form
    11,118.12/16,670.89 = 3,718.63/x
  3. Step 3: Cross multiply
    11,118.12x = 16,670.89 × 3,718.63
  4. Step 4: Simplify right side
    11,118.12x = 61,992,871.68
  5. Step 5: Solve for x
    x = 61,992,871.68/11,118.12
  6. Step 6: Final answer
    x = 5,575.84

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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.