Home / 11,919.02-16,452.36-7,385.18

Finding the Fourth Proportional to 11,919.02, 16,452.36 and 7,385.18

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Solution

The fourth proportional to 11,919.02, 16,452.36 and 7,385.18 is: 10,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.02 : 16,452.36 = 7,385.18 : x
  2. Step 2: Convert to fraction form
    11,919.02/16,452.36 = 7,385.18/x
  3. Step 3: Cross multiply
    11,919.02x = 16,452.36 × 7,385.18
  4. Step 4: Simplify right side
    11,919.02x = 121,503,640.02
  5. Step 5: Solve for x
    x = 121,503,640.02/11,919.02
  6. Step 6: Final answer
    x = 10,194.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.