Home / 11,118.42-16,672.02-3,720.24

Finding the Fourth Proportional to 11,118.42, 16,672.02 and 3,720.24

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Solution

The fourth proportional to 11,118.42, 16,672.02 and 3,720.24 is: 5,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.42 : 16,672.02 = 3,720.24 : x
  2. Step 2: Convert to fraction form
    11,118.42/16,672.02 = 3,720.24/x
  3. Step 3: Cross multiply
    11,118.42x = 16,672.02 × 3,720.24
  4. Step 4: Simplify right side
    11,118.42x = 62,023,915.68
  5. Step 5: Solve for x
    x = 62,023,915.68/11,118.42
  6. Step 6: Final answer
    x = 5,578.48

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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.